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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /fs/nfs/nfs4xdr.c
downloadlinux-dev-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz
linux-dev-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.zip
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
-rw-r--r--fs/nfs/nfs4xdr.c4034
1 files changed, 4034 insertions, 0 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
new file mode 100644
index 000000000000..5f4de05763c9
--- /dev/null
+++ b/fs/nfs/nfs4xdr.c
@@ -0,0 +1,4034 @@
+/*
+ * fs/nfs/nfs4xdr.c
+ *
+ * Client-side XDR for NFSv4.
+ *
+ * Copyright (c) 2002 The Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Kendrick Smith <kmsmith@umich.edu>
+ * Andy Adamson <andros@umich.edu>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <linux/param.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/utsname.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/in.h>
+#include <linux/pagemap.h>
+#include <linux/proc_fs.h>
+#include <linux/kdev_t.h>
+#include <linux/sunrpc/clnt.h>
+#include <linux/nfs.h>
+#include <linux/nfs4.h>
+#include <linux/nfs_fs.h>
+#include <linux/nfs_idmap.h>
+
+#define NFSDBG_FACILITY NFSDBG_XDR
+
+/* Mapping from NFS error code to "errno" error code. */
+#define errno_NFSERR_IO EIO
+
+static int nfs_stat_to_errno(int);
+
+/* NFSv4 COMPOUND tags are only wanted for debugging purposes */
+#ifdef DEBUG
+#define NFS4_MAXTAGLEN 20
+#else
+#define NFS4_MAXTAGLEN 0
+#endif
+
+/* lock,open owner id:
+ * we currently use size 1 (u32) out of (NFS4_OPAQUE_LIMIT >> 2)
+ */
+#define owner_id_maxsz (1 + 1)
+#define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
+#define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
+#define op_encode_hdr_maxsz (1)
+#define op_decode_hdr_maxsz (2)
+#define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \
+ (NFS4_FHSIZE >> 2))
+#define decode_putfh_maxsz (op_decode_hdr_maxsz)
+#define encode_putrootfh_maxsz (op_encode_hdr_maxsz)
+#define decode_putrootfh_maxsz (op_decode_hdr_maxsz)
+#define encode_getfh_maxsz (op_encode_hdr_maxsz)
+#define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \
+ ((3+NFS4_FHSIZE) >> 2))
+#define encode_getattr_maxsz (op_encode_hdr_maxsz + 3)
+#define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2))
+#define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2))
+#define nfs4_fattr_bitmap_maxsz (36 + 2 * nfs4_name_maxsz)
+#define decode_getattr_maxsz (op_decode_hdr_maxsz + 3 + \
+ nfs4_fattr_bitmap_maxsz)
+#define encode_savefh_maxsz (op_encode_hdr_maxsz)
+#define decode_savefh_maxsz (op_decode_hdr_maxsz)
+#define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2)
+#define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11)
+#define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
+#define decode_renew_maxsz (op_decode_hdr_maxsz)
+#define encode_setclientid_maxsz \
+ (op_encode_hdr_maxsz + \
+ 4 /*server->ip_addr*/ + \
+ 1 /*Netid*/ + \
+ 6 /*uaddr*/ + \
+ 6 + (NFS4_VERIFIER_SIZE >> 2))
+#define decode_setclientid_maxsz \
+ (op_decode_hdr_maxsz + \
+ 2 + \
+ 1024) /* large value for CLID_INUSE */
+#define encode_setclientid_confirm_maxsz \
+ (op_encode_hdr_maxsz + \
+ 3 + (NFS4_VERIFIER_SIZE >> 2))
+#define decode_setclientid_confirm_maxsz \
+ (op_decode_hdr_maxsz)
+#define encode_lookup_maxsz (op_encode_hdr_maxsz + \
+ 1 + ((3 + NFS4_FHSIZE) >> 2))
+#define encode_remove_maxsz (op_encode_hdr_maxsz + \
+ nfs4_name_maxsz)
+#define encode_rename_maxsz (op_encode_hdr_maxsz + \
+ 2 * nfs4_name_maxsz)
+#define decode_rename_maxsz (op_decode_hdr_maxsz + 5 + 5)
+#define encode_link_maxsz (op_encode_hdr_maxsz + \
+ nfs4_name_maxsz)
+#define decode_link_maxsz (op_decode_hdr_maxsz + 5)
+#define encode_symlink_maxsz (op_encode_hdr_maxsz + \
+ 1 + nfs4_name_maxsz + \
+ nfs4_path_maxsz + \
+ nfs4_fattr_bitmap_maxsz)
+#define decode_symlink_maxsz (op_decode_hdr_maxsz + 8)
+#define encode_create_maxsz (op_encode_hdr_maxsz + \
+ 2 + nfs4_name_maxsz + \
+ nfs4_fattr_bitmap_maxsz)
+#define decode_create_maxsz (op_decode_hdr_maxsz + 8)
+#define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4)
+#define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
+#define NFS4_enc_compound_sz (1024) /* XXX: large enough? */
+#define NFS4_dec_compound_sz (1024) /* XXX: large enough? */
+#define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + 7)
+#define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 2)
+#define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz)
+#define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz)
+#define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + 9)
+#define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 2)
+#define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + 8)
+#define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 4)
+#define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + 3)
+#define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 2)
+#define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + \
+ 13 + 3 + 2 + 64 + \
+ encode_getattr_maxsz + \
+ encode_getfh_maxsz)
+#define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 4 + 5 + 2 + 3 + \
+ decode_getattr_maxsz + \
+ decode_getfh_maxsz)
+#define NFS4_enc_open_confirm_sz \
+ (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + 5)
+#define NFS4_dec_open_confirm_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 4)
+#define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + \
+ 11)
+#define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + \
+ 4 + 5 + 2 + 3)
+#define NFS4_enc_open_downgrade_sz \
+ (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + 7)
+#define NFS4_dec_open_downgrade_sz \
+ (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 4)
+#define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + 5)
+#define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 4)
+#define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + 4 + \
+ nfs4_fattr_bitmap_maxsz + \
+ encode_getattr_maxsz)
+#define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 3)
+#define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_fsinfo_maxsz)
+#define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ decode_fsinfo_maxsz)
+#define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \
+ encode_renew_maxsz)
+#define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \
+ decode_renew_maxsz)
+#define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \
+ encode_setclientid_maxsz)
+#define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \
+ decode_setclientid_maxsz)
+#define NFS4_enc_setclientid_confirm_sz \
+ (compound_encode_hdr_maxsz + \
+ encode_setclientid_confirm_maxsz + \
+ encode_putrootfh_maxsz + \
+ encode_fsinfo_maxsz)
+#define NFS4_dec_setclientid_confirm_sz \
+ (compound_decode_hdr_maxsz + \
+ decode_setclientid_confirm_maxsz + \
+ decode_putrootfh_maxsz + \
+ decode_fsinfo_maxsz)
+#define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_getattr_maxsz + \
+ op_encode_hdr_maxsz + \
+ 1 + 1 + 2 + 2 + \
+ 1 + 4 + 1 + 2 + \
+ owner_id_maxsz)
+#define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ decode_getattr_maxsz + \
+ op_decode_hdr_maxsz + \
+ 2 + 2 + 1 + 2 + \
+ owner_id_maxsz)
+#define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_getattr_maxsz + \
+ op_encode_hdr_maxsz + \
+ 1 + 2 + 2 + 2 + \
+ owner_id_maxsz)
+#define NFS4_dec_lockt_sz (NFS4_dec_lock_sz)
+#define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_getattr_maxsz + \
+ op_encode_hdr_maxsz + \
+ 1 + 1 + 4 + 2 + 2)
+#define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ decode_getattr_maxsz + \
+ op_decode_hdr_maxsz + 4)
+#define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + 1)
+#define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 2)
+#define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_getattr_maxsz)
+#define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ decode_getattr_maxsz)
+#define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_lookup_maxsz + \
+ encode_getattr_maxsz + \
+ encode_getfh_maxsz)
+#define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + \
+ decode_getattr_maxsz + \
+ decode_getfh_maxsz)
+#define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
+ encode_putrootfh_maxsz + \
+ encode_getattr_maxsz + \
+ encode_getfh_maxsz)
+#define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
+ decode_putrootfh_maxsz + \
+ decode_getattr_maxsz + \
+ decode_getfh_maxsz)
+#define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_remove_maxsz)
+#define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 5)
+#define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_savefh_maxsz + \
+ encode_putfh_maxsz + \
+ encode_rename_maxsz)
+#define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ decode_savefh_maxsz + \
+ decode_putfh_maxsz + \
+ decode_rename_maxsz)
+#define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_savefh_maxsz + \
+ encode_putfh_maxsz + \
+ encode_link_maxsz)
+#define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ decode_savefh_maxsz + \
+ decode_putfh_maxsz + \
+ decode_link_maxsz)
+#define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_symlink_maxsz + \
+ encode_getattr_maxsz + \
+ encode_getfh_maxsz)
+#define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ decode_symlink_maxsz + \
+ decode_getattr_maxsz + \
+ decode_getfh_maxsz)
+#define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_create_maxsz + \
+ encode_getattr_maxsz + \
+ encode_getfh_maxsz)
+#define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ decode_create_maxsz + \
+ decode_getattr_maxsz + \
+ decode_getfh_maxsz)
+#define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_getattr_maxsz)
+#define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ decode_getattr_maxsz)
+#define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_getattr_maxsz)
+#define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + 12)
+#define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
+ encode_getattr_maxsz)
+#define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
+ decode_getattr_maxsz)
+#define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_delegreturn_maxsz)
+#define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
+ decode_delegreturn_maxsz)
+
+static struct {
+ unsigned int mode;
+ unsigned int nfs2type;
+} nfs_type2fmt[] = {
+ { 0, NFNON },
+ { S_IFREG, NFREG },
+ { S_IFDIR, NFDIR },
+ { S_IFBLK, NFBLK },
+ { S_IFCHR, NFCHR },
+ { S_IFLNK, NFLNK },
+ { S_IFSOCK, NFSOCK },
+ { S_IFIFO, NFFIFO },
+ { 0, NFNON },
+ { 0, NFNON },
+};
+
+struct compound_hdr {
+ int32_t status;
+ uint32_t nops;
+ uint32_t taglen;
+ char * tag;
+};
+
+/*
+ * START OF "GENERIC" ENCODE ROUTINES.
+ * These may look a little ugly since they are imported from a "generic"
+ * set of XDR encode/decode routines which are intended to be shared by
+ * all of our NFSv4 implementations (OpenBSD, MacOS X...).
+ *
+ * If the pain of reading these is too great, it should be a straightforward
+ * task to translate them into Linux-specific versions which are more
+ * consistent with the style used in NFSv2/v3...
+ */
+#define WRITE32(n) *p++ = htonl(n)
+#define WRITE64(n) do { \
+ *p++ = htonl((uint32_t)((n) >> 32)); \
+ *p++ = htonl((uint32_t)(n)); \
+} while (0)
+#define WRITEMEM(ptr,nbytes) do { \
+ p = xdr_encode_opaque_fixed(p, ptr, nbytes); \
+} while (0)
+
+#define RESERVE_SPACE(nbytes) do { \
+ p = xdr_reserve_space(xdr, nbytes); \
+ if (!p) printk("RESERVE_SPACE(%d) failed in function %s\n", (int) (nbytes), __FUNCTION__); \
+ BUG_ON(!p); \
+} while (0)
+
+static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str)
+{
+ uint32_t *p;
+
+ p = xdr_reserve_space(xdr, 4 + len);
+ BUG_ON(p == NULL);
+ xdr_encode_opaque(p, str, len);
+}
+
+static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
+{
+ uint32_t *p;
+
+ dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag);
+ BUG_ON(hdr->taglen > NFS4_MAXTAGLEN);
+ RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2));
+ WRITE32(hdr->taglen);
+ WRITEMEM(hdr->tag, hdr->taglen);
+ WRITE32(NFS4_MINOR_VERSION);
+ WRITE32(hdr->nops);
+ return 0;
+}
+
+static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf)
+{
+ uint32_t *p;
+
+ p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE);
+ BUG_ON(p == NULL);
+ xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE);
+}
+
+static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server)
+{
+ char owner_name[IDMAP_NAMESZ];
+ char owner_group[IDMAP_NAMESZ];
+ int owner_namelen = 0;
+ int owner_grouplen = 0;
+ uint32_t *p;
+ uint32_t *q;
+ int len;
+ uint32_t bmval0 = 0;
+ uint32_t bmval1 = 0;
+ int status;
+
+ /*
+ * We reserve enough space to write the entire attribute buffer at once.
+ * In the worst-case, this would be
+ * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
+ * = 36 bytes, plus any contribution from variable-length fields
+ * such as owner/group/acl's.
+ */
+ len = 16;
+
+ /* Sigh */
+ if (iap->ia_valid & ATTR_SIZE)
+ len += 8;
+ if (iap->ia_valid & ATTR_MODE)
+ len += 4;
+ if (iap->ia_valid & ATTR_UID) {
+ owner_namelen = nfs_map_uid_to_name(server->nfs4_state, iap->ia_uid, owner_name);
+ if (owner_namelen < 0) {
+ printk(KERN_WARNING "nfs: couldn't resolve uid %d to string\n",
+ iap->ia_uid);
+ /* XXX */
+ strcpy(owner_name, "nobody");
+ owner_namelen = sizeof("nobody") - 1;
+ /* goto out; */
+ }
+ len += 4 + (XDR_QUADLEN(owner_namelen) << 2);
+ }
+ if (iap->ia_valid & ATTR_GID) {
+ owner_grouplen = nfs_map_gid_to_group(server->nfs4_state, iap->ia_gid, owner_group);
+ if (owner_grouplen < 0) {
+ printk(KERN_WARNING "nfs4: couldn't resolve gid %d to string\n",
+ iap->ia_gid);
+ strcpy(owner_group, "nobody");
+ owner_grouplen = sizeof("nobody") - 1;
+ /* goto out; */
+ }
+ len += 4 + (XDR_QUADLEN(owner_grouplen) << 2);
+ }
+ if (iap->ia_valid & ATTR_ATIME_SET)
+ len += 16;
+ else if (iap->ia_valid & ATTR_ATIME)
+ len += 4;
+ if (iap->ia_valid & ATTR_MTIME_SET)
+ len += 16;
+ else if (iap->ia_valid & ATTR_MTIME)
+ len += 4;
+ RESERVE_SPACE(len);
+
+ /*
+ * We write the bitmap length now, but leave the bitmap and the attribute
+ * buffer length to be backfilled at the end of this routine.
+ */
+ WRITE32(2);
+ q = p;
+ p += 3;
+
+ if (iap->ia_valid & ATTR_SIZE) {
+ bmval0 |= FATTR4_WORD0_SIZE;
+ WRITE64(iap->ia_size);
+ }
+ if (iap->ia_valid & ATTR_MODE) {
+ bmval1 |= FATTR4_WORD1_MODE;
+ WRITE32(iap->ia_mode);
+ }
+ if (iap->ia_valid & ATTR_UID) {
+ bmval1 |= FATTR4_WORD1_OWNER;
+ WRITE32(owner_namelen);
+ WRITEMEM(owner_name, owner_namelen);
+ }
+ if (iap->ia_valid & ATTR_GID) {
+ bmval1 |= FATTR4_WORD1_OWNER_GROUP;
+ WRITE32(owner_grouplen);
+ WRITEMEM(owner_group, owner_grouplen);
+ }
+ if (iap->ia_valid & ATTR_ATIME_SET) {
+ bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
+ WRITE32(NFS4_SET_TO_CLIENT_TIME);
+ WRITE32(0);
+ WRITE32(iap->ia_mtime.tv_sec);
+ WRITE32(iap->ia_mtime.tv_nsec);
+ }
+ else if (iap->ia_valid & ATTR_ATIME) {
+ bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
+ WRITE32(NFS4_SET_TO_SERVER_TIME);
+ }
+ if (iap->ia_valid & ATTR_MTIME_SET) {
+ bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
+ WRITE32(NFS4_SET_TO_CLIENT_TIME);
+ WRITE32(0);
+ WRITE32(iap->ia_mtime.tv_sec);
+ WRITE32(iap->ia_mtime.tv_nsec);
+ }
+ else if (iap->ia_valid & ATTR_MTIME) {
+ bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
+ WRITE32(NFS4_SET_TO_SERVER_TIME);
+ }
+
+ /*
+ * Now we backfill the bitmap and the attribute buffer length.
+ */
+ if (len != ((char *)p - (char *)q) + 4) {
+ printk ("encode_attr: Attr length calculation error! %u != %Zu\n",
+ len, ((char *)p - (char *)q) + 4);
+ BUG();
+ }
+ len = (char *)p - (char *)q - 12;
+ *q++ = htonl(bmval0);
+ *q++ = htonl(bmval1);
+ *q++ = htonl(len);
+
+ status = 0;
+/* out: */
+ return status;
+}
+
+static int encode_access(struct xdr_stream *xdr, u32 access)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(8);
+ WRITE32(OP_ACCESS);
+ WRITE32(access);
+
+ return 0;
+}
+
+static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(8+sizeof(arg->stateid.data));
+ WRITE32(OP_CLOSE);
+ WRITE32(arg->seqid);
+ WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
+
+ return 0;
+}
+
+static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(16);
+ WRITE32(OP_COMMIT);
+ WRITE64(args->offset);
+ WRITE32(args->count);
+
+ return 0;
+}
+
+static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(8);
+ WRITE32(OP_CREATE);
+ WRITE32(create->ftype);
+
+ switch (create->ftype) {
+ case NF4LNK:
+ RESERVE_SPACE(4 + create->u.symlink->len);
+ WRITE32(create->u.symlink->len);
+ WRITEMEM(create->u.symlink->name, create->u.symlink->len);
+ break;
+
+ case NF4BLK: case NF4CHR:
+ RESERVE_SPACE(8);
+ WRITE32(create->u.device.specdata1);
+ WRITE32(create->u.device.specdata2);
+ break;
+
+ default:
+ break;
+ }
+
+ RESERVE_SPACE(4 + create->name->len);
+ WRITE32(create->name->len);
+ WRITEMEM(create->name->name, create->name->len);
+
+ return encode_attrs(xdr, create->attrs, create->server);
+}
+
+static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(12);
+ WRITE32(OP_GETATTR);
+ WRITE32(1);
+ WRITE32(bitmap);
+ return 0;
+}
+
+static int encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(16);
+ WRITE32(OP_GETATTR);
+ WRITE32(2);
+ WRITE32(bm0);
+ WRITE32(bm1);
+ return 0;
+}
+
+static int encode_getfattr(struct xdr_stream *xdr, const u32* bitmask)
+{
+ extern u32 nfs4_fattr_bitmap[];
+
+ return encode_getattr_two(xdr,
+ bitmask[0] & nfs4_fattr_bitmap[0],
+ bitmask[1] & nfs4_fattr_bitmap[1]);
+}
+
+static int encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask)
+{
+ extern u32 nfs4_fsinfo_bitmap[];
+
+ return encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0],
+ bitmask[1] & nfs4_fsinfo_bitmap[1]);
+}
+
+static int encode_getfh(struct xdr_stream *xdr)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ WRITE32(OP_GETFH);
+
+ return 0;
+}
+
+static int encode_link(struct xdr_stream *xdr, const struct qstr *name)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(8 + name->len);
+ WRITE32(OP_LINK);
+ WRITE32(name->len);
+ WRITEMEM(name->name, name->len);
+
+ return 0;
+}
+
+/*
+ * opcode,type,reclaim,offset,length,new_lock_owner = 32
+ * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
+ */
+static int encode_lock(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
+{
+ uint32_t *p;
+ struct nfs_lock_opargs *opargs = arg->u.lock;
+
+ RESERVE_SPACE(32);
+ WRITE32(OP_LOCK);
+ WRITE32(arg->type);
+ WRITE32(opargs->reclaim);
+ WRITE64(arg->offset);
+ WRITE64(arg->length);
+ WRITE32(opargs->new_lock_owner);
+ if (opargs->new_lock_owner){
+ struct nfs_open_to_lock *ol = opargs->u.open_lock;
+
+ RESERVE_SPACE(40);
+ WRITE32(ol->open_seqid);
+ WRITEMEM(&ol->open_stateid, sizeof(ol->open_stateid));
+ WRITE32(ol->lock_seqid);
+ WRITE64(ol->lock_owner.clientid);
+ WRITE32(4);
+ WRITE32(ol->lock_owner.id);
+ }
+ else {
+ struct nfs_exist_lock *el = opargs->u.exist_lock;
+
+ RESERVE_SPACE(20);
+ WRITEMEM(&el->stateid, sizeof(el->stateid));
+ WRITE32(el->seqid);
+ }
+
+ return 0;
+}
+
+static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
+{
+ uint32_t *p;
+ struct nfs_lowner *opargs = arg->u.lockt;
+
+ RESERVE_SPACE(40);
+ WRITE32(OP_LOCKT);
+ WRITE32(arg->type);
+ WRITE64(arg->offset);
+ WRITE64(arg->length);
+ WRITE64(opargs->clientid);
+ WRITE32(4);
+ WRITE32(opargs->id);
+
+ return 0;
+}
+
+static int encode_locku(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
+{
+ uint32_t *p;
+ struct nfs_locku_opargs *opargs = arg->u.locku;
+
+ RESERVE_SPACE(44);
+ WRITE32(OP_LOCKU);
+ WRITE32(arg->type);
+ WRITE32(opargs->seqid);
+ WRITEMEM(&opargs->stateid, sizeof(opargs->stateid));
+ WRITE64(arg->offset);
+ WRITE64(arg->length);
+
+ return 0;
+}
+
+static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name)
+{
+ int len = name->len;
+ uint32_t *p;
+
+ RESERVE_SPACE(8 + len);
+ WRITE32(OP_LOOKUP);
+ WRITE32(len);
+ WRITEMEM(name->name, len);
+
+ return 0;
+}
+
+static void encode_share_access(struct xdr_stream *xdr, int open_flags)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(8);
+ switch (open_flags & (FMODE_READ|FMODE_WRITE)) {
+ case FMODE_READ:
+ WRITE32(NFS4_SHARE_ACCESS_READ);
+ break;
+ case FMODE_WRITE:
+ WRITE32(NFS4_SHARE_ACCESS_WRITE);
+ break;
+ case FMODE_READ|FMODE_WRITE:
+ WRITE32(NFS4_SHARE_ACCESS_BOTH);
+ break;
+ default:
+ BUG();
+ }
+ WRITE32(0); /* for linux, share_deny = 0 always */
+}
+
+static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg)
+{
+ uint32_t *p;
+ /*
+ * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
+ * owner 4 = 32
+ */
+ RESERVE_SPACE(8);
+ WRITE32(OP_OPEN);
+ WRITE32(arg->seqid);
+ encode_share_access(xdr, arg->open_flags);
+ RESERVE_SPACE(16);
+ WRITE64(arg->clientid);
+ WRITE32(4);
+ WRITE32(arg->id);
+}
+
+static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ switch(arg->open_flags & O_EXCL) {
+ case 0:
+ WRITE32(NFS4_CREATE_UNCHECKED);
+ encode_attrs(xdr, arg->u.attrs, arg->server);
+ break;
+ default:
+ WRITE32(NFS4_CREATE_EXCLUSIVE);
+ encode_nfs4_verifier(xdr, &arg->u.verifier);
+ }
+}
+
+static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ switch (arg->open_flags & O_CREAT) {
+ case 0:
+ WRITE32(NFS4_OPEN_NOCREATE);
+ break;
+ default:
+ BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL);
+ WRITE32(NFS4_OPEN_CREATE);
+ encode_createmode(xdr, arg);
+ }
+}
+
+static inline void encode_delegation_type(struct xdr_stream *xdr, int delegation_type)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ switch (delegation_type) {
+ case 0:
+ WRITE32(NFS4_OPEN_DELEGATE_NONE);
+ break;
+ case FMODE_READ:
+ WRITE32(NFS4_OPEN_DELEGATE_READ);
+ break;
+ case FMODE_WRITE|FMODE_READ:
+ WRITE32(NFS4_OPEN_DELEGATE_WRITE);
+ break;
+ default:
+ BUG();
+ }
+}
+
+static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ WRITE32(NFS4_OPEN_CLAIM_NULL);
+ encode_string(xdr, name->len, name->name);
+}
+
+static inline void encode_claim_previous(struct xdr_stream *xdr, int type)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ WRITE32(NFS4_OPEN_CLAIM_PREVIOUS);
+ encode_delegation_type(xdr, type);
+}
+
+static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4+sizeof(stateid->data));
+ WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR);
+ WRITEMEM(stateid->data, sizeof(stateid->data));
+ encode_string(xdr, name->len, name->name);
+}
+
+static int encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg)
+{
+ encode_openhdr(xdr, arg);
+ encode_opentype(xdr, arg);
+ switch (arg->claim) {
+ case NFS4_OPEN_CLAIM_NULL:
+ encode_claim_null(xdr, arg->name);
+ break;
+ case NFS4_OPEN_CLAIM_PREVIOUS:
+ encode_claim_previous(xdr, arg->u.delegation_type);
+ break;
+ case NFS4_OPEN_CLAIM_DELEGATE_CUR:
+ encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation);
+ break;
+ default:
+ BUG();
+ }
+ return 0;
+}
+
+static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(8+sizeof(arg->stateid.data));
+ WRITE32(OP_OPEN_CONFIRM);
+ WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
+ WRITE32(arg->seqid);
+
+ return 0;
+}
+
+static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(8+sizeof(arg->stateid.data));
+ WRITE32(OP_OPEN_DOWNGRADE);
+ WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
+ WRITE32(arg->seqid);
+ encode_share_access(xdr, arg->open_flags);
+ return 0;
+}
+
+static int
+encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh)
+{
+ int len = fh->size;
+ uint32_t *p;
+
+ RESERVE_SPACE(8 + len);
+ WRITE32(OP_PUTFH);
+ WRITE32(len);
+ WRITEMEM(fh->data, len);
+
+ return 0;
+}
+
+static int encode_putrootfh(struct xdr_stream *xdr)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ WRITE32(OP_PUTROOTFH);
+
+ return 0;
+}
+
+static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx)
+{
+ extern nfs4_stateid zero_stateid;
+ nfs4_stateid stateid;
+ uint32_t *p;
+
+ RESERVE_SPACE(16);
+ if (ctx->state != NULL) {
+ nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner);
+ WRITEMEM(stateid.data, sizeof(stateid.data));
+ } else
+ WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data));
+}
+
+static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ WRITE32(OP_READ);
+
+ encode_stateid(xdr, args->context);
+
+ RESERVE_SPACE(12);
+ WRITE64(args->offset);
+ WRITE32(args->count);
+
+ return 0;
+}
+
+static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req)
+{
+ struct rpc_auth *auth = req->rq_task->tk_auth;
+ int replen;
+ uint32_t *p;
+
+ RESERVE_SPACE(32+sizeof(nfs4_verifier));
+ WRITE32(OP_READDIR);
+ WRITE64(readdir->cookie);
+ WRITEMEM(readdir->verifier.data, sizeof(readdir->verifier.data));
+ WRITE32(readdir->count >> 1); /* We're not doing readdirplus */
+ WRITE32(readdir->count);
+ WRITE32(2);
+ if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) {
+ WRITE32(0);
+ WRITE32(FATTR4_WORD1_MOUNTED_ON_FILEID);
+ } else {
+ WRITE32(FATTR4_WORD0_FILEID);
+ WRITE32(0);
+ }
+
+ /* set up reply kvec
+ * toplevel_status + taglen + rescount + OP_PUTFH + status
+ * + OP_READDIR + status + verifer(2) = 9
+ */
+ replen = (RPC_REPHDRSIZE + auth->au_rslack + 9) << 2;
+ xdr_inline_pages(&req->rq_rcv_buf, replen, readdir->pages,
+ readdir->pgbase, readdir->count);
+
+ return 0;
+}
+
+static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req)
+{
+ struct rpc_auth *auth = req->rq_task->tk_auth;
+ unsigned int replen;
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ WRITE32(OP_READLINK);
+
+ /* set up reply kvec
+ * toplevel_status + taglen + rescount + OP_PUTFH + status
+ * + OP_READLINK + status + string length = 8
+ */
+ replen = (RPC_REPHDRSIZE + auth->au_rslack + 8) << 2;
+ xdr_inline_pages(&req->rq_rcv_buf, replen, readlink->pages,
+ readlink->pgbase, readlink->pglen);
+
+ return 0;
+}
+
+static int encode_remove(struct xdr_stream *xdr, const struct qstr *name)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(8 + name->len);
+ WRITE32(OP_REMOVE);
+ WRITE32(name->len);
+ WRITEMEM(name->name, name->len);
+
+ return 0;
+}
+
+static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(8 + oldname->len);
+ WRITE32(OP_RENAME);
+ WRITE32(oldname->len);
+ WRITEMEM(oldname->name, oldname->len);
+
+ RESERVE_SPACE(4 + newname->len);
+ WRITE32(newname->len);
+ WRITEMEM(newname->name, newname->len);
+
+ return 0;
+}
+
+static int encode_renew(struct xdr_stream *xdr, const struct nfs4_client *client_stateid)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(12);
+ WRITE32(OP_RENEW);
+ WRITE64(client_stateid->cl_clientid);
+
+ return 0;
+}
+
+static int
+encode_savefh(struct xdr_stream *xdr)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ WRITE32(OP_SAVEFH);
+
+ return 0;
+}
+
+static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server)
+{
+ int status;
+ uint32_t *p;
+
+ RESERVE_SPACE(4+sizeof(arg->stateid.data));
+ WRITE32(OP_SETATTR);
+ WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
+
+ if ((status = encode_attrs(xdr, arg->iap, server)))
+ return status;
+
+ return 0;
+}
+
+static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4 + sizeof(setclientid->sc_verifier->data));
+ WRITE32(OP_SETCLIENTID);
+ WRITEMEM(setclientid->sc_verifier->data, sizeof(setclientid->sc_verifier->data));
+
+ encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name);
+ RESERVE_SPACE(4);
+ WRITE32(setclientid->sc_prog);
+ encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid);
+ encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr);
+ RESERVE_SPACE(4);
+ WRITE32(setclientid->sc_cb_ident);
+
+ return 0;
+}
+
+static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_client *client_state)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(12 + sizeof(client_state->cl_confirm.data));
+ WRITE32(OP_SETCLIENTID_CONFIRM);
+ WRITE64(client_state->cl_clientid);
+ WRITEMEM(client_state->cl_confirm.data, sizeof(client_state->cl_confirm.data));
+
+ return 0;
+}
+
+static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4);
+ WRITE32(OP_WRITE);
+
+ encode_stateid(xdr, args->context);
+
+ RESERVE_SPACE(16);
+ WRITE64(args->offset);
+ WRITE32(args->stable);
+ WRITE32(args->count);
+
+ xdr_write_pages(xdr, args->pages, args->pgbase, args->count);
+
+ return 0;
+}
+
+static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(20);
+
+ WRITE32(OP_DELEGRETURN);
+ WRITEMEM(stateid->data, sizeof(stateid->data));
+ return 0;
+
+}
+/*
+ * END OF "GENERIC" ENCODE ROUTINES.
+ */
+
+/*
+ * Encode an ACCESS request
+ */
+static int nfs4_xdr_enc_access(struct rpc_rqst *req, uint32_t *p, const struct nfs4_accessargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ if ((status = encode_putfh(&xdr, args->fh)) == 0)
+ status = encode_access(&xdr, args->access);
+ return status;
+}
+
+/*
+ * Encode LOOKUP request
+ */
+static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_arg *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 4,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
+ goto out;
+ if ((status = encode_lookup(&xdr, args->name)) != 0)
+ goto out;
+ if ((status = encode_getfh(&xdr)) != 0)
+ goto out;
+ status = encode_getfattr(&xdr, args->bitmask);
+out:
+ return status;
+}
+
+/*
+ * Encode LOOKUP_ROOT request
+ */
+static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_root_arg *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 3,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ if ((status = encode_putrootfh(&xdr)) != 0)
+ goto out;
+ if ((status = encode_getfh(&xdr)) == 0)
+ status = encode_getfattr(&xdr, args->bitmask);
+out:
+ return status;
+}
+
+/*
+ * Encode REMOVE request
+ */
+static int nfs4_xdr_enc_remove(struct rpc_rqst *req, uint32_t *p, const struct nfs4_remove_arg *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ if ((status = encode_putfh(&xdr, args->fh)) == 0)
+ status = encode_remove(&xdr, args->name);
+ return status;
+}
+
+/*
+ * Encode RENAME request
+ */
+static int nfs4_xdr_enc_rename(struct rpc_rqst *req, uint32_t *p, const struct nfs4_rename_arg *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 4,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ if ((status = encode_putfh(&xdr, args->old_dir)) != 0)
+ goto out;
+ if ((status = encode_savefh(&xdr)) != 0)
+ goto out;
+ if ((status = encode_putfh(&xdr, args->new_dir)) != 0)
+ goto out;
+ status = encode_rename(&xdr, args->old_name, args->new_name);
+out:
+ return status;
+}
+
+/*
+ * Encode LINK request
+ */
+static int nfs4_xdr_enc_link(struct rpc_rqst *req, uint32_t *p, const struct nfs4_link_arg *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 4,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ if ((status = encode_putfh(&xdr, args->fh)) != 0)
+ goto out;
+ if ((status = encode_savefh(&xdr)) != 0)
+ goto out;
+ if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
+ goto out;
+ status = encode_link(&xdr, args->name);
+out:
+ return status;
+}
+
+/*
+ * Encode CREATE request
+ */
+static int nfs4_xdr_enc_create(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 4,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
+ goto out;
+ if ((status = encode_create(&xdr, args)) != 0)
+ goto out;
+ if ((status = encode_getfh(&xdr)) != 0)
+ goto out;
+ status = encode_getfattr(&xdr, args->bitmask);
+out:
+ return status;
+}
+
+/*
+ * Encode SYMLINK request
+ */
+static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args)
+{
+ return nfs4_xdr_enc_create(req, p, args);
+}
+
+/*
+ * Encode GETATTR request
+ */
+static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, uint32_t *p, const struct nfs4_getattr_arg *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ if ((status = encode_putfh(&xdr, args->fh)) == 0)
+ status = encode_getfattr(&xdr, args->bitmask);
+ return status;
+}
+
+/*
+ * Encode a CLOSE request
+ */
+static int nfs4_xdr_enc_close(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if(status)
+ goto out;
+ status = encode_close(&xdr, args);
+out:
+ return status;
+}
+
+/*
+ * Encode an OPEN request
+ */
+static int nfs4_xdr_enc_open(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 4,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if (status)
+ goto out;
+ status = encode_open(&xdr, args);
+ if (status)
+ goto out;
+ status = encode_getfh(&xdr);
+ if (status)
+ goto out;
+ status = encode_getfattr(&xdr, args->bitmask);
+out:
+ return status;
+}
+
+/*
+ * Encode an OPEN_CONFIRM request
+ */
+static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_open_confirmargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if(status)
+ goto out;
+ status = encode_open_confirm(&xdr, args);
+out:
+ return status;
+}
+
+/*
+ * Encode an OPEN request with no attributes.
+ */
+static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if (status)
+ goto out;
+ status = encode_open(&xdr, args);
+out:
+ return status;
+}
+
+/*
+ * Encode an OPEN_DOWNGRADE request
+ */
+static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if (status)
+ goto out;
+ status = encode_open_downgrade(&xdr, args);
+out:
+ return status;
+}
+
+/*
+ * Encode a LOCK request
+ */
+static int nfs4_xdr_enc_lock(struct rpc_rqst *req, uint32_t *p, struct nfs_lockargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if(status)
+ goto out;
+ status = encode_lock(&xdr, args);
+out:
+ return status;
+}
+
+/*
+ * Encode a LOCKT request
+ */
+static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, uint32_t *p, struct nfs_lockargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if(status)
+ goto out;
+ status = encode_lockt(&xdr, args);
+out:
+ return status;
+}
+
+/*
+ * Encode a LOCKU request
+ */
+static int nfs4_xdr_enc_locku(struct rpc_rqst *req, uint32_t *p, struct nfs_lockargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if(status)
+ goto out;
+ status = encode_locku(&xdr, args);
+out:
+ return status;
+}
+
+/*
+ * Encode a READLINK request
+ */
+static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readlink *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if(status)
+ goto out;
+ status = encode_readlink(&xdr, args, req);
+out:
+ return status;
+}
+
+/*
+ * Encode a READDIR request
+ */
+static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readdir_arg *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if(status)
+ goto out;
+ status = encode_readdir(&xdr, args, req);
+out:
+ return status;
+}
+
+/*
+ * Encode a READ request
+ */
+static int nfs4_xdr_enc_read(struct rpc_rqst *req, uint32_t *p, struct nfs_readargs *args)
+{
+ struct rpc_auth *auth = req->rq_task->tk_auth;
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int replen, status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if (status)
+ goto out;
+ status = encode_read(&xdr, args);
+ if (status)
+ goto out;
+
+ /* set up reply kvec
+ * toplevel status + taglen=0 + rescount + OP_PUTFH + status
+ * + OP_READ + status + eof + datalen = 9
+ */
+ replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2;
+ xdr_inline_pages(&req->rq_rcv_buf, replen,
+ args->pages, args->pgbase, args->count);
+out:
+ return status;
+}
+
+/*
+ * Encode an SETATTR request
+ */
+static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, uint32_t *p, struct nfs_setattrargs *args)
+
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 3,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if(status)
+ goto out;
+ status = encode_setattr(&xdr, args, args->server);
+ if(status)
+ goto out;
+ status = encode_getfattr(&xdr, args->bitmask);
+out:
+ return status;
+}
+
+/*
+ * Encode a WRITE request
+ */
+static int nfs4_xdr_enc_write(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if (status)
+ goto out;
+ status = encode_write(&xdr, args);
+out:
+ return status;
+}
+
+/*
+ * a COMMIT request
+ */
+static int nfs4_xdr_enc_commit(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if (status)
+ goto out;
+ status = encode_commit(&xdr, args);
+out:
+ return status;
+}
+
+/*
+ * FSINFO request
+ */
+static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs4_fsinfo_arg *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if (!status)
+ status = encode_fsinfo(&xdr, args->bitmask);
+ return status;
+}
+
+/*
+ * a PATHCONF request
+ */
+static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, uint32_t *p, const struct nfs4_pathconf_arg *args)
+{
+ extern u32 nfs4_pathconf_bitmap[2];
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if (!status)
+ status = encode_getattr_one(&xdr,
+ args->bitmask[0] & nfs4_pathconf_bitmap[0]);
+ return status;
+}
+
+/*
+ * a STATFS request
+ */
+static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, uint32_t *p, const struct nfs4_statfs_arg *args)
+{
+ extern u32 nfs4_statfs_bitmap[];
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if (status == 0)
+ status = encode_getattr_two(&xdr,
+ args->bitmask[0] & nfs4_statfs_bitmap[0],
+ args->bitmask[1] & nfs4_statfs_bitmap[1]);
+ return status;
+}
+
+/*
+ * GETATTR_BITMAP request
+ */
+static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, uint32_t *p, const struct nfs_fh *fhandle)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, fhandle);
+ if (status == 0)
+ status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS|
+ FATTR4_WORD0_LINK_SUPPORT|
+ FATTR4_WORD0_SYMLINK_SUPPORT|
+ FATTR4_WORD0_ACLSUPPORT);
+ return status;
+}
+
+/*
+ * a RENEW request
+ */
+static int nfs4_xdr_enc_renew(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 1,
+ };
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ return encode_renew(&xdr, clp);
+}
+
+/*
+ * a SETCLIENTID request
+ */
+static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, uint32_t *p, struct nfs4_setclientid *sc)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 1,
+ };
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ return encode_setclientid(&xdr, sc);
+}
+
+/*
+ * a SETCLIENTID_CONFIRM request
+ */
+static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 3,
+ };
+ const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_setclientid_confirm(&xdr, clp);
+ if (!status)
+ status = encode_putrootfh(&xdr);
+ if (!status)
+ status = encode_fsinfo(&xdr, lease_bitmap);
+ return status;
+}
+
+/*
+ * DELEGRETURN request
+ */
+static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, uint32_t *p, const struct nfs4_delegreturnargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ if ((status = encode_putfh(&xdr, args->fhandle)) == 0)
+ status = encode_delegreturn(&xdr, args->stateid);
+ return status;
+}
+
+/*
+ * START OF "GENERIC" DECODE ROUTINES.
+ * These may look a little ugly since they are imported from a "generic"
+ * set of XDR encode/decode routines which are intended to be shared by
+ * all of our NFSv4 implementations (OpenBSD, MacOS X...).
+ *
+ * If the pain of reading these is too great, it should be a straightforward
+ * task to translate them into Linux-specific versions which are more
+ * consistent with the style used in NFSv2/v3...
+ */
+#define READ32(x) (x) = ntohl(*p++)
+#define READ64(x) do { \
+ (x) = (u64)ntohl(*p++) << 32; \
+ (x) |= ntohl(*p++); \
+} while (0)
+#define READTIME(x) do { \
+ p++; \
+ (x.tv_sec) = ntohl(*p++); \
+ (x.tv_nsec) = ntohl(*p++); \
+} while (0)
+#define COPYMEM(x,nbytes) do { \
+ memcpy((x), p, nbytes); \
+ p += XDR_QUADLEN(nbytes); \
+} while (0)
+
+#define READ_BUF(nbytes) do { \
+ p = xdr_inline_decode(xdr, nbytes); \
+ if (!p) { \
+ printk(KERN_WARNING "%s: reply buffer overflowed in line %d.", \
+ __FUNCTION__, __LINE__); \
+ return -EIO; \
+ } \
+} while (0)
+
+static int decode_opaque_inline(struct xdr_stream *xdr, uint32_t *len, char **string)
+{
+ uint32_t *p;
+
+ READ_BUF(4);
+ READ32(*len);
+ READ_BUF(*len);
+ *string = (char *)p;
+ return 0;
+}
+
+static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
+{
+ uint32_t *p;
+
+ READ_BUF(8);
+ READ32(hdr->status);
+ READ32(hdr->taglen);
+
+ READ_BUF(hdr->taglen + 4);
+ hdr->tag = (char *)p;
+ p += XDR_QUADLEN(hdr->taglen);
+ READ32(hdr->nops);
+ return 0;
+}
+
+static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
+{
+ uint32_t *p;
+ uint32_t opnum;
+ int32_t nfserr;
+
+ READ_BUF(8);
+ READ32(opnum);
+ if (opnum != expected) {
+ printk(KERN_NOTICE
+ "nfs4_decode_op_hdr: Server returned operation"
+ " %d but we issued a request for %d\n",
+ opnum, expected);
+ return -EIO;
+ }
+ READ32(nfserr);
+ if (nfserr != NFS_OK)
+ return -nfs_stat_to_errno(nfserr);
+ return 0;
+}
+
+/* Dummy routine */
+static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs4_client *clp)
+{
+ uint32_t *p;
+ uint32_t strlen;
+ char *str;
+
+ READ_BUF(12);
+ return decode_opaque_inline(xdr, &strlen, &str);
+}
+
+static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
+{
+ uint32_t bmlen, *p;
+
+ READ_BUF(4);
+ READ32(bmlen);
+
+ bitmap[0] = bitmap[1] = 0;
+ READ_BUF((bmlen << 2));
+ if (bmlen > 0) {
+ READ32(bitmap[0]);
+ if (bmlen > 1)
+ READ32(bitmap[1]);
+ }
+ return 0;
+}
+
+static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, uint32_t **savep)
+{
+ uint32_t *p;
+
+ READ_BUF(4);
+ READ32(*attrlen);
+ *savep = xdr->p;
+ return 0;
+}
+
+static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask)
+{
+ if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) {
+ decode_attr_bitmap(xdr, bitmask);
+ bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS;
+ } else
+ bitmask[0] = bitmask[1] = 0;
+ dprintk("%s: bitmask=0x%x%x\n", __FUNCTION__, bitmask[0], bitmask[1]);
+ return 0;
+}
+
+static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type)
+{
+ uint32_t *p;
+
+ *type = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) {
+ READ_BUF(4);
+ READ32(*type);
+ if (*type < NF4REG || *type > NF4NAMEDATTR) {
+ dprintk("%s: bad type %d\n", __FUNCTION__, *type);
+ return -EIO;
+ }
+ bitmap[0] &= ~FATTR4_WORD0_TYPE;
+ }
+ dprintk("%s: type=0%o\n", __FUNCTION__, nfs_type2fmt[*type].nfs2type);
+ return 0;
+}
+
+static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change)
+{
+ uint32_t *p;
+
+ *change = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) {
+ READ_BUF(8);
+ READ64(*change);
+ bitmap[0] &= ~FATTR4_WORD0_CHANGE;
+ }
+ dprintk("%s: change attribute=%Lu\n", __FUNCTION__,
+ (unsigned long long)*change);
+ return 0;
+}
+
+static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size)
+{
+ uint32_t *p;
+
+ *size = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) {
+ READ_BUF(8);
+ READ64(*size);
+ bitmap[0] &= ~FATTR4_WORD0_SIZE;
+ }
+ dprintk("%s: file size=%Lu\n", __FUNCTION__, (unsigned long long)*size);
+ return 0;
+}
+
+static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
+{
+ uint32_t *p;
+
+ *res = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) {
+ READ_BUF(4);
+ READ32(*res);
+ bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT;
+ }
+ dprintk("%s: link support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
+ return 0;
+}
+
+static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
+{
+ uint32_t *p;
+
+ *res = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) {
+ READ_BUF(4);
+ READ32(*res);
+ bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT;
+ }
+ dprintk("%s: symlink support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
+ return 0;
+}
+
+static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fsid *fsid)
+{
+ uint32_t *p;
+
+ fsid->major = 0;
+ fsid->minor = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_FSID)) {
+ READ_BUF(16);
+ READ64(fsid->major);
+ READ64(fsid->minor);
+ bitmap[0] &= ~FATTR4_WORD0_FSID;
+ }
+ dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __FUNCTION__,
+ (unsigned long long)fsid->major,
+ (unsigned long long)fsid->minor);
+ return 0;
+}
+
+static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
+{
+ uint32_t *p;
+
+ *res = 60;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) {
+ READ_BUF(4);
+ READ32(*res);
+ bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME;
+ }
+ dprintk("%s: file size=%u\n", __FUNCTION__, (unsigned int)*res);
+ return 0;
+}
+
+static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
+{
+ uint32_t *p;
+
+ *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) {
+ READ_BUF(4);
+ READ32(*res);
+ bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT;
+ }
+ dprintk("%s: ACLs supported=%u\n", __FUNCTION__, (unsigned int)*res);
+ return 0;
+}
+
+static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
+{
+ uint32_t *p;
+
+ *fileid = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) {
+ READ_BUF(8);
+ READ64(*fileid);
+ bitmap[0] &= ~FATTR4_WORD0_FILEID;
+ }
+ dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid);
+ return 0;
+}
+
+static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *res = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) {
+ READ_BUF(8);
+ READ64(*res);
+ bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL;
+ }
+ dprintk("%s: files avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ return status;
+}
+
+static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *res = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) {
+ READ_BUF(8);
+ READ64(*res);
+ bitmap[0] &= ~FATTR4_WORD0_FILES_FREE;
+ }
+ dprintk("%s: files free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ return status;
+}
+
+static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *res = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) {
+ READ_BUF(8);
+ READ64(*res);
+ bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL;
+ }
+ dprintk("%s: files total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ return status;
+}
+
+static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *res = 0;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) {
+ READ_BUF(8);
+ READ64(*res);
+ bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE;
+ }
+ dprintk("%s: maxfilesize=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ return status;
+}
+
+static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *maxlink = 1;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) {
+ READ_BUF(4);
+ READ32(*maxlink);
+ bitmap[0] &= ~FATTR4_WORD0_MAXLINK;
+ }
+ dprintk("%s: maxlink=%u\n", __FUNCTION__, *maxlink);
+ return status;
+}
+
+static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *maxname = 1024;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) {
+ READ_BUF(4);
+ READ32(*maxname);
+ bitmap[0] &= ~FATTR4_WORD0_MAXNAME;
+ }
+ dprintk("%s: maxname=%u\n", __FUNCTION__, *maxname);
+ return status;
+}
+
+static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *res = 1024;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) {
+ uint64_t maxread;
+ READ_BUF(8);
+ READ64(maxread);
+ if (maxread > 0x7FFFFFFF)
+ maxread = 0x7FFFFFFF;
+ *res = (uint32_t)maxread;
+ bitmap[0] &= ~FATTR4_WORD0_MAXREAD;
+ }
+ dprintk("%s: maxread=%lu\n", __FUNCTION__, (unsigned long)*res);
+ return status;
+}
+
+static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *res = 1024;
+ if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U)))
+ return -EIO;
+ if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) {
+ uint64_t maxwrite;
+ READ_BUF(8);
+ READ64(maxwrite);
+ if (maxwrite > 0x7FFFFFFF)
+ maxwrite = 0x7FFFFFFF;
+ *res = (uint32_t)maxwrite;
+ bitmap[0] &= ~FATTR4_WORD0_MAXWRITE;
+ }
+ dprintk("%s: maxwrite=%lu\n", __FUNCTION__, (unsigned long)*res);
+ return status;
+}
+
+static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode)
+{
+ uint32_t *p;
+
+ *mode = 0;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
+ READ_BUF(4);
+ READ32(*mode);
+ *mode &= ~S_IFMT;
+ bitmap[1] &= ~FATTR4_WORD1_MODE;
+ }
+ dprintk("%s: file mode=0%o\n", __FUNCTION__, (unsigned int)*mode);
+ return 0;
+}
+
+static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink)
+{
+ uint32_t *p;
+
+ *nlink = 1;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) {
+ READ_BUF(4);
+ READ32(*nlink);
+ bitmap[1] &= ~FATTR4_WORD1_NUMLINKS;
+ }
+ dprintk("%s: nlink=%u\n", __FUNCTION__, (unsigned int)*nlink);
+ return 0;
+}
+
+static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *uid)
+{
+ uint32_t len, *p;
+
+ *uid = -2;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) {
+ READ_BUF(4);
+ READ32(len);
+ READ_BUF(len);
+ if (len < XDR_MAX_NETOBJ) {
+ if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0)
+ dprintk("%s: nfs_map_name_to_uid failed!\n",
+ __FUNCTION__);
+ } else
+ printk(KERN_WARNING "%s: name too long (%u)!\n",
+ __FUNCTION__, len);
+ bitmap[1] &= ~FATTR4_WORD1_OWNER;
+ }
+ dprintk("%s: uid=%d\n", __FUNCTION__, (int)*uid);
+ return 0;
+}
+
+static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *gid)
+{
+ uint32_t len, *p;
+
+ *gid = -2;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) {
+ READ_BUF(4);
+ READ32(len);
+ READ_BUF(len);
+ if (len < XDR_MAX_NETOBJ) {
+ if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0)
+ dprintk("%s: nfs_map_group_to_gid failed!\n",
+ __FUNCTION__);
+ } else
+ printk(KERN_WARNING "%s: name too long (%u)!\n",
+ __FUNCTION__, len);
+ bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP;
+ }
+ dprintk("%s: gid=%d\n", __FUNCTION__, (int)*gid);
+ return 0;
+}
+
+static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev)
+{
+ uint32_t major = 0, minor = 0, *p;
+
+ *rdev = MKDEV(0,0);
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) {
+ dev_t tmp;
+
+ READ_BUF(8);
+ READ32(major);
+ READ32(minor);
+ tmp = MKDEV(major, minor);
+ if (MAJOR(tmp) == major && MINOR(tmp) == minor)
+ *rdev = tmp;
+ bitmap[1] &= ~ FATTR4_WORD1_RAWDEV;
+ }
+ dprintk("%s: rdev=(0x%x:0x%x)\n", __FUNCTION__, major, minor);
+ return 0;
+}
+
+static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *res = 0;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) {
+ READ_BUF(8);
+ READ64(*res);
+ bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL;
+ }
+ dprintk("%s: space avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ return status;
+}
+
+static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *res = 0;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) {
+ READ_BUF(8);
+ READ64(*res);
+ bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE;
+ }
+ dprintk("%s: space free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ return status;
+}
+
+static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
+{
+ uint32_t *p;
+ int status = 0;
+
+ *res = 0;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) {
+ READ_BUF(8);
+ READ64(*res);
+ bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL;
+ }
+ dprintk("%s: space total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ return status;
+}
+
+static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used)
+{
+ uint32_t *p;
+
+ *used = 0;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) {
+ READ_BUF(8);
+ READ64(*used);
+ bitmap[1] &= ~FATTR4_WORD1_SPACE_USED;
+ }
+ dprintk("%s: space used=%Lu\n", __FUNCTION__,
+ (unsigned long long)*used);
+ return 0;
+}
+
+static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time)
+{
+ uint32_t *p;
+ uint64_t sec;
+ uint32_t nsec;
+
+ READ_BUF(12);
+ READ64(sec);
+ READ32(nsec);
+ time->tv_sec = (time_t)sec;
+ time->tv_nsec = (long)nsec;
+ return 0;
+}
+
+static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
+{
+ int status = 0;
+
+ time->tv_sec = 0;
+ time->tv_nsec = 0;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) {
+ status = decode_attr_time(xdr, time);
+ bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS;
+ }
+ dprintk("%s: atime=%ld\n", __FUNCTION__, (long)time->tv_sec);
+ return status;
+}
+
+static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
+{
+ int status = 0;
+
+ time->tv_sec = 0;
+ time->tv_nsec = 0;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) {
+ status = decode_attr_time(xdr, time);
+ bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA;
+ }
+ dprintk("%s: ctime=%ld\n", __FUNCTION__, (long)time->tv_sec);
+ return status;
+}
+
+static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
+{
+ int status = 0;
+
+ time->tv_sec = 0;
+ time->tv_nsec = 0;
+ if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U)))
+ return -EIO;
+ if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) {
+ status = decode_attr_time(xdr, time);
+ bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY;
+ }
+ dprintk("%s: mtime=%ld\n", __FUNCTION__, (long)time->tv_sec);
+ return status;
+}
+
+static int verify_attr_len(struct xdr_stream *xdr, uint32_t *savep, uint32_t attrlen)
+{
+ unsigned int attrwords = XDR_QUADLEN(attrlen);
+ unsigned int nwords = xdr->p - savep;
+
+ if (unlikely(attrwords != nwords)) {
+ printk(KERN_WARNING "%s: server returned incorrect attribute length: %u %c %u\n",
+ __FUNCTION__,
+ attrwords << 2,
+ (attrwords < nwords) ? '<' : '>',
+ nwords << 2);
+ return -EIO;
+ }
+ return 0;
+}
+
+static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
+{
+ uint32_t *p;
+
+ READ_BUF(20);
+ READ32(cinfo->atomic);
+ READ64(cinfo->before);
+ READ64(cinfo->after);
+ return 0;
+}
+
+static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access)
+{
+ uint32_t *p;
+ uint32_t supp, acc;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_ACCESS);
+ if (status)
+ return status;
+ READ_BUF(8);
+ READ32(supp);
+ READ32(acc);
+ access->supported = supp;
+ access->access = acc;
+ return 0;
+}
+
+static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
+{
+ uint32_t *p;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_CLOSE);
+ if (status)
+ return status;
+ READ_BUF(sizeof(res->stateid.data));
+ COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+ return 0;
+}
+
+static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
+{
+ uint32_t *p;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_COMMIT);
+ if (status)
+ return status;
+ READ_BUF(8);
+ COPYMEM(res->verf->verifier, 8);
+ return 0;
+}
+
+static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
+{
+ uint32_t *p;
+ uint32_t bmlen;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_CREATE);
+ if (status)
+ return status;
+ if ((status = decode_change_info(xdr, cinfo)))
+ return status;
+ READ_BUF(4);
+ READ32(bmlen);
+ READ_BUF(bmlen << 2);
+ return 0;
+}
+
+static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res)
+{
+ uint32_t *savep;
+ uint32_t attrlen,
+ bitmap[2] = {0};
+ int status;
+
+ if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0)
+ goto xdr_error;
+ status = verify_attr_len(xdr, savep, attrlen);
+xdr_error:
+ if (status != 0)
+ printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
+ return status;
+}
+
+static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat)
+{
+ uint32_t *savep;
+ uint32_t attrlen,
+ bitmap[2] = {0};
+ int status;
+
+ if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
+ goto xdr_error;
+
+ if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0)
+ goto xdr_error;
+
+ status = verify_attr_len(xdr, savep, attrlen);
+xdr_error:
+ if (status != 0)
+ printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
+ return status;
+}
+
+static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf)
+{
+ uint32_t *savep;
+ uint32_t attrlen,
+ bitmap[2] = {0};
+ int status;
+
+ if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
+ goto xdr_error;
+
+ if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0)
+ goto xdr_error;
+
+ status = verify_attr_len(xdr, savep, attrlen);
+xdr_error:
+ if (status != 0)
+ printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
+ return status;
+}
+
+static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server)
+{
+ uint32_t *savep;
+ uint32_t attrlen,
+ bitmap[2] = {0},
+ type;
+ int status, fmode = 0;
+
+ if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
+ goto xdr_error;
+
+ fattr->bitmap[0] = bitmap[0];
+ fattr->bitmap[1] = bitmap[1];
+
+ if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
+ goto xdr_error;
+
+
+ if ((status = decode_attr_type(xdr, bitmap, &type)) != 0)
+ goto xdr_error;
+ fattr->type = nfs_type2fmt[type].nfs2type;
+ fmode = nfs_type2fmt[type].mode;
+
+ if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid_u.nfs4)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0)
+ goto xdr_error;
+ fattr->mode |= fmode;
+ if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_owner(xdr, bitmap, server->nfs4_state, &fattr->uid)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_group(xdr, bitmap, server->nfs4_state, &fattr->gid)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0)
+ goto xdr_error;
+ if ((status = verify_attr_len(xdr, savep, attrlen)) == 0) {
+ fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4;
+ fattr->timestamp = jiffies;
+ }
+xdr_error:
+ if (status != 0)
+ printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
+ return status;
+}
+
+
+static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo)
+{
+ uint32_t *savep;
+ uint32_t attrlen, bitmap[2];
+ int status;
+
+ if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
+ goto xdr_error;
+
+ fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */
+
+ if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0)
+ goto xdr_error;
+ if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0)
+ goto xdr_error;
+ fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax;
+ if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0)
+ goto xdr_error;
+ fsinfo->wtpref = fsinfo->wtmax;
+
+ status = verify_attr_len(xdr, savep, attrlen);
+xdr_error:
+ if (status != 0)
+ printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
+ return status;
+}
+
+static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh)
+{
+ uint32_t *p;
+ uint32_t len;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_GETFH);
+ if (status)
+ return status;
+ /* Zero handle first to allow comparisons */
+ memset(fh, 0, sizeof(*fh));
+
+ READ_BUF(4);
+ READ32(len);
+ if (len > NFS4_FHSIZE)
+ return -EIO;
+ fh->size = len;
+ READ_BUF(len);
+ COPYMEM(fh->data, len);
+ return 0;
+}
+
+static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
+{
+ int status;
+
+ status = decode_op_hdr(xdr, OP_LINK);
+ if (status)
+ return status;
+ return decode_change_info(xdr, cinfo);
+}
+
+/*
+ * We create the owner, so we know a proper owner.id length is 4.
+ */
+static int decode_lock_denied (struct xdr_stream *xdr, struct nfs_lock_denied *denied)
+{
+ uint32_t *p;
+ uint32_t namelen;
+
+ READ_BUF(32);
+ READ64(denied->offset);
+ READ64(denied->length);
+ READ32(denied->type);
+ READ64(denied->owner.clientid);
+ READ32(namelen);
+ READ_BUF(namelen);
+ if (namelen == 4)
+ READ32(denied->owner.id);
+ return -NFS4ERR_DENIED;
+}
+
+static int decode_lock(struct xdr_stream *xdr, struct nfs_lockres *res)
+{
+ uint32_t *p;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_LOCK);
+ if (status == 0) {
+ READ_BUF(sizeof(nfs4_stateid));
+ COPYMEM(&res->u.stateid, sizeof(res->u.stateid));
+ } else if (status == -NFS4ERR_DENIED)
+ return decode_lock_denied(xdr, &res->u.denied);
+ return status;
+}
+
+static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockres *res)
+{
+ int status;
+ status = decode_op_hdr(xdr, OP_LOCKT);
+ if (status == -NFS4ERR_DENIED)
+ return decode_lock_denied(xdr, &res->u.denied);
+ return status;
+}
+
+static int decode_locku(struct xdr_stream *xdr, struct nfs_lockres *res)
+{
+ uint32_t *p;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_LOCKU);
+ if (status == 0) {
+ READ_BUF(sizeof(nfs4_stateid));
+ COPYMEM(&res->u.stateid, sizeof(res->u.stateid));
+ }
+ return status;
+}
+
+static int decode_lookup(struct xdr_stream *xdr)
+{
+ return decode_op_hdr(xdr, OP_LOOKUP);
+}
+
+/* This is too sick! */
+static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize)
+{
+ uint32_t *p;
+ uint32_t limit_type, nblocks, blocksize;
+
+ READ_BUF(12);
+ READ32(limit_type);
+ switch (limit_type) {
+ case 1:
+ READ64(*maxsize);
+ break;
+ case 2:
+ READ32(nblocks);
+ READ32(blocksize);
+ *maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
+ }
+ return 0;
+}
+
+static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res)
+{
+ uint32_t *p;
+ uint32_t delegation_type;
+
+ READ_BUF(4);
+ READ32(delegation_type);
+ if (delegation_type == NFS4_OPEN_DELEGATE_NONE) {
+ res->delegation_type = 0;
+ return 0;
+ }
+ READ_BUF(20);
+ COPYMEM(res->delegation.data, sizeof(res->delegation.data));
+ READ32(res->do_recall);
+ switch (delegation_type) {
+ case NFS4_OPEN_DELEGATE_READ:
+ res->delegation_type = FMODE_READ;
+ break;
+ case NFS4_OPEN_DELEGATE_WRITE:
+ res->delegation_type = FMODE_WRITE|FMODE_READ;
+ if (decode_space_limit(xdr, &res->maxsize) < 0)
+ return -EIO;
+ }
+ return decode_ace(xdr, NULL, res->server->nfs4_state);
+}
+
+static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
+{
+ uint32_t *p;
+ uint32_t bmlen;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_OPEN);
+ if (status)
+ return status;
+ READ_BUF(sizeof(res->stateid.data));
+ COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+
+ decode_change_info(xdr, &res->cinfo);
+
+ READ_BUF(8);
+ READ32(res->rflags);
+ READ32(bmlen);
+ if (bmlen > 10)
+ goto xdr_error;
+
+ READ_BUF(bmlen << 2);
+ p += bmlen;
+ return decode_delegation(xdr, res);
+xdr_error:
+ printk(KERN_NOTICE "%s: xdr error!\n", __FUNCTION__);
+ return -EIO;
+}
+
+static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res)
+{
+ uint32_t *p;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_OPEN_CONFIRM);
+ if (status)
+ return status;
+ READ_BUF(sizeof(res->stateid.data));
+ COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+ return 0;
+}
+
+static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res)
+{
+ uint32_t *p;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE);
+ if (status)
+ return status;
+ READ_BUF(sizeof(res->stateid.data));
+ COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+ return 0;
+}
+
+static int decode_putfh(struct xdr_stream *xdr)
+{
+ return decode_op_hdr(xdr, OP_PUTFH);
+}
+
+static int decode_putrootfh(struct xdr_stream *xdr)
+{
+ return decode_op_hdr(xdr, OP_PUTROOTFH);
+}
+
+static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res)
+{
+ struct kvec *iov = req->rq_rcv_buf.head;
+ uint32_t *p;
+ uint32_t count, eof, recvd, hdrlen;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_READ);
+ if (status)
+ return status;
+ READ_BUF(8);
+ READ32(eof);
+ READ32(count);
+ hdrlen = (u8 *) p - (u8 *) iov->iov_base;
+ recvd = req->rq_rcv_buf.len - hdrlen;
+ if (count > recvd) {
+ printk(KERN_WARNING "NFS: server cheating in read reply: "
+ "count %u > recvd %u\n", count, recvd);
+ count = recvd;
+ eof = 0;
+ }
+ xdr_read_pages(xdr, count);
+ res->eof = eof;
+ res->count = count;
+ return 0;
+}
+
+static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir)
+{
+ struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
+ struct page *page = *rcvbuf->pages;
+ struct kvec *iov = rcvbuf->head;
+ unsigned int nr, pglen = rcvbuf->page_len;
+ uint32_t *end, *entry, *p, *kaddr;
+ uint32_t len, attrlen;
+ int hdrlen, recvd, status;
+
+ status = decode_op_hdr(xdr, OP_READDIR);
+ if (status)
+ return status;
+ READ_BUF(8);
+ COPYMEM(readdir->verifier.data, 8);
+
+ hdrlen = (char *) p - (char *) iov->iov_base;
+ recvd = rcvbuf->len - hdrlen;
+ if (pglen > recvd)
+ pglen = recvd;
+ xdr_read_pages(xdr, pglen);
+
+ BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE);
+ kaddr = p = (uint32_t *) kmap_atomic(page, KM_USER0);
+ end = (uint32_t *) ((char *)p + pglen + readdir->pgbase);
+ entry = p;
+ for (nr = 0; *p++; nr++) {
+ if (p + 3 > end)
+ goto short_pkt;
+ p += 2; /* cookie */
+ len = ntohl(*p++); /* filename length */
+ if (len > NFS4_MAXNAMLEN) {
+ printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)\n", len);
+ goto err_unmap;
+ }
+ p += XDR_QUADLEN(len);
+ if (p + 1 > end)
+ goto short_pkt;
+ len = ntohl(*p++); /* bitmap length */
+ p += len;
+ if (p + 1 > end)
+ goto short_pkt;
+ attrlen = XDR_QUADLEN(ntohl(*p++));
+ p += attrlen; /* attributes */
+ if (p + 2 > end)
+ goto short_pkt;
+ entry = p;
+ }
+ if (!nr && (entry[0] != 0 || entry[1] == 0))
+ goto short_pkt;
+out:
+ kunmap_atomic(kaddr, KM_USER0);
+ return 0;
+short_pkt:
+ entry[0] = entry[1] = 0;
+ /* truncate listing ? */
+ if (!nr) {
+ printk(KERN_NOTICE "NFS: readdir reply truncated!\n");
+ entry[1] = 1;
+ }
+ goto out;
+err_unmap:
+ kunmap_atomic(kaddr, KM_USER0);
+ return -errno_NFSERR_IO;
+}
+
+static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req)
+{
+ struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
+ struct kvec *iov = rcvbuf->head;
+ int hdrlen, len, recvd;
+ uint32_t *p;
+ char *kaddr;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_READLINK);
+ if (status)
+ return status;
+
+ /* Convert length of symlink */
+ READ_BUF(4);
+ READ32(len);
+ if (len >= rcvbuf->page_len || len <= 0) {
+ dprintk(KERN_WARNING "nfs: server returned giant symlink!\n");
+ return -ENAMETOOLONG;
+ }
+ hdrlen = (char *) xdr->p - (char *) iov->iov_base;
+ recvd = req->rq_rcv_buf.len - hdrlen;
+ if (recvd < len) {
+ printk(KERN_WARNING "NFS: server cheating in readlink reply: "
+ "count %u > recvd %u\n", len, recvd);
+ return -EIO;
+ }
+ xdr_read_pages(xdr, len);
+ /*
+ * The XDR encode routine has set things up so that
+ * the link text will be copied directly into the
+ * buffer. We just have to do overflow-checking,
+ * and and null-terminate the text (the VFS expects
+ * null-termination).
+ */
+ kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0);
+ kaddr[len+rcvbuf->page_base] = '\0';
+ kunmap_atomic(kaddr, KM_USER0);
+ return 0;
+}
+
+static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
+{
+ int status;
+
+ status = decode_op_hdr(xdr, OP_REMOVE);
+ if (status)
+ goto out;
+ status = decode_change_info(xdr, cinfo);
+out:
+ return status;
+}
+
+static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo,
+ struct nfs4_change_info *new_cinfo)
+{
+ int status;
+
+ status = decode_op_hdr(xdr, OP_RENAME);
+ if (status)
+ goto out;
+ if ((status = decode_change_info(xdr, old_cinfo)))
+ goto out;
+ status = decode_change_info(xdr, new_cinfo);
+out:
+ return status;
+}
+
+static int decode_renew(struct xdr_stream *xdr)
+{
+ return decode_op_hdr(xdr, OP_RENEW);
+}
+
+static int
+decode_savefh(struct xdr_stream *xdr)
+{
+ return decode_op_hdr(xdr, OP_SAVEFH);
+}
+
+static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res)
+{
+ uint32_t *p;
+ uint32_t bmlen;
+ int status;
+
+
+ status = decode_op_hdr(xdr, OP_SETATTR);
+ if (status)
+ return status;
+ READ_BUF(4);
+ READ32(bmlen);
+ READ_BUF(bmlen << 2);
+ return 0;
+}
+
+static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_client *clp)
+{
+ uint32_t *p;
+ uint32_t opnum;
+ int32_t nfserr;
+
+ READ_BUF(8);
+ READ32(opnum);
+ if (opnum != OP_SETCLIENTID) {
+ printk(KERN_NOTICE
+ "nfs4_decode_setclientid: Server returned operation"
+ " %d\n", opnum);
+ return -EIO;
+ }
+ READ32(nfserr);
+ if (nfserr == NFS_OK) {
+ READ_BUF(8 + sizeof(clp->cl_confirm.data));
+ READ64(clp->cl_clientid);
+ COPYMEM(clp->cl_confirm.data, sizeof(clp->cl_confirm.data));
+ } else if (nfserr == NFSERR_CLID_INUSE) {
+ uint32_t len;
+
+ /* skip netid string */
+ READ_BUF(4);
+ READ32(len);
+ READ_BUF(len);
+
+ /* skip uaddr string */
+ READ_BUF(4);
+ READ32(len);
+ READ_BUF(len);
+ return -NFSERR_CLID_INUSE;
+ } else
+ return -nfs_stat_to_errno(nfserr);
+
+ return 0;
+}
+
+static int decode_setclientid_confirm(struct xdr_stream *xdr)
+{
+ return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM);
+}
+
+static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res)
+{
+ uint32_t *p;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_WRITE);
+ if (status)
+ return status;
+
+ READ_BUF(16);
+ READ32(res->count);
+ READ32(res->verf->committed);
+ COPYMEM(res->verf->verifier, 8);
+ return 0;
+}
+
+static int decode_delegreturn(struct xdr_stream *xdr)
+{
+ return decode_op_hdr(xdr, OP_DELEGRETURN);
+}
+
+/*
+ * Decode OPEN_DOWNGRADE response
+ */
+static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_open_downgrade(&xdr, res);
+out:
+ return status;
+}
+
+/*
+ * END OF "GENERIC" DECODE ROUTINES.
+ */
+
+/*
+ * Decode ACCESS response
+ */
+static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_accessres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ goto out;
+ if ((status = decode_putfh(&xdr)) == 0)
+ status = decode_access(&xdr, res);
+out:
+ return status;
+}
+
+/*
+ * Decode LOOKUP response
+ */
+static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ goto out;
+ if ((status = decode_putfh(&xdr)) != 0)
+ goto out;
+ if ((status = decode_lookup(&xdr)) != 0)
+ goto out;
+ if ((status = decode_getfh(&xdr, res->fh)) != 0)
+ goto out;
+ status = decode_getfattr(&xdr, res->fattr, res->server);
+out:
+ return status;
+}
+
+/*
+ * Decode LOOKUP_ROOT response
+ */
+static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ goto out;
+ if ((status = decode_putrootfh(&xdr)) != 0)
+ goto out;
+ if ((status = decode_getfh(&xdr, res->fh)) == 0)
+ status = decode_getfattr(&xdr, res->fattr, res->server);
+out:
+ return status;
+}
+
+/*
+ * Decode REMOVE response
+ */
+static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_change_info *cinfo)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ goto out;
+ if ((status = decode_putfh(&xdr)) == 0)
+ status = decode_remove(&xdr, cinfo);
+out:
+ return status;
+}
+
+/*
+ * Decode RENAME response
+ */
+static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_rename_res *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ goto out;
+ if ((status = decode_putfh(&xdr)) != 0)
+ goto out;
+ if ((status = decode_savefh(&xdr)) != 0)
+ goto out;
+ if ((status = decode_putfh(&xdr)) != 0)
+ goto out;
+ status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo);
+out:
+ return status;
+}
+
+/*
+ * Decode LINK response
+ */
+static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_change_info *cinfo)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ goto out;
+ if ((status = decode_putfh(&xdr)) != 0)
+ goto out;
+ if ((status = decode_savefh(&xdr)) != 0)
+ goto out;
+ if ((status = decode_putfh(&xdr)) != 0)
+ goto out;
+ status = decode_link(&xdr, cinfo);
+out:
+ return status;
+}
+
+/*
+ * Decode CREATE response
+ */
+static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ goto out;
+ if ((status = decode_putfh(&xdr)) != 0)
+ goto out;
+ if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0)
+ goto out;
+ if ((status = decode_getfh(&xdr, res->fh)) != 0)
+ goto out;
+ status = decode_getfattr(&xdr, res->fattr, res->server);
+ if (status == NFS4ERR_DELAY)
+ status = 0;
+out:
+ return status;
+}
+
+/*
+ * Decode SYMLINK response
+ */
+static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
+{
+ return nfs4_xdr_dec_create(rqstp, p, res);
+}
+
+/*
+ * Decode GETATTR response
+ */
+static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_getattr_res *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_getfattr(&xdr, res->fattr, res->server);
+out:
+ return status;
+
+}
+
+
+/*
+ * Decode CLOSE response
+ */
+static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_close(&xdr, res);
+out:
+ return status;
+}
+
+/*
+ * Decode OPEN response
+ */
+static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_open(&xdr, res);
+ if (status)
+ goto out;
+ status = decode_getfh(&xdr, &res->fh);
+ if (status)
+ goto out;
+ status = decode_getfattr(&xdr, res->f_attr, res->server);
+ if (status == NFS4ERR_DELAY)
+ status = 0;
+out:
+ return status;
+}
+
+/*
+ * Decode OPEN_CONFIRM response
+ */
+static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_open_confirmres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_open_confirm(&xdr, res);
+out:
+ return status;
+}
+
+/*
+ * Decode OPEN response
+ */
+static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_open(&xdr, res);
+out:
+ return status;
+}
+
+/*
+ * Decode SETATTR response
+ */
+static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_setattrres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_setattr(&xdr, res);
+ if (status)
+ goto out;
+ status = decode_getfattr(&xdr, res->fattr, res->server);
+ if (status == NFS4ERR_DELAY)
+ status = 0;
+out:
+ return status;
+}
+
+/*
+ * Decode LOCK response
+ */
+static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_lock(&xdr, res);
+out:
+ return status;
+}
+
+/*
+ * Decode LOCKT response
+ */
+static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_lockt(&xdr, res);
+out:
+ return status;
+}
+
+/*
+ * Decode LOCKU response
+ */
+static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_locku(&xdr, res);
+out:
+ return status;
+}
+
+/*
+ * Decode READLINK response
+ */
+static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, uint32_t *p, void *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_readlink(&xdr, rqstp);
+out:
+ return status;
+}
+
+/*
+ * Decode READDIR response
+ */
+static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_readdir_res *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_readdir(&xdr, rqstp, res);
+out:
+ return status;
+}
+
+/*
+ * Decode Read response
+ */
+static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_readres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_read(&xdr, rqstp, res);
+ if (!status)
+ status = res->count;
+out:
+ return status;
+}
+
+/*
+ * Decode WRITE response
+ */
+static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_write(&xdr, res);
+ if (!status)
+ status = res->count;
+out:
+ return status;
+}
+
+/*
+ * Decode COMMIT response
+ */
+static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_commit(&xdr, res);
+out:
+ return status;
+}
+
+/*
+ * FSINFO request
+ */
+static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_putfh(&xdr);
+ if (!status)
+ status = decode_fsinfo(&xdr, fsinfo);
+ if (!status)
+ status = -nfs_stat_to_errno(hdr.status);
+ return status;
+}
+
+/*
+ * PATHCONF request
+ */
+static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, uint32_t *p, struct nfs_pathconf *pathconf)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_putfh(&xdr);
+ if (!status)
+ status = decode_pathconf(&xdr, pathconf);
+ return status;
+}
+
+/*
+ * STATFS request
+ */
+static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, uint32_t *p, struct nfs_fsstat *fsstat)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_putfh(&xdr);
+ if (!status)
+ status = decode_statfs(&xdr, fsstat);
+ return status;
+}
+
+/*
+ * GETATTR_BITMAP request
+ */
+static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, uint32_t *p, struct nfs4_server_caps_res *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
+ if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ goto out;
+ if ((status = decode_putfh(&xdr)) != 0)
+ goto out;
+ status = decode_server_caps(&xdr, res);
+out:
+ return status;
+}
+
+/*
+ * Decode RENEW response
+ */
+static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_renew(&xdr);
+ return status;
+}
+
+/*
+ * a SETCLIENTID request
+ */
+static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, uint32_t *p,
+ struct nfs4_client *clp)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_setclientid(&xdr, clp);
+ if (!status)
+ status = -nfs_stat_to_errno(hdr.status);
+ return status;
+}
+
+/*
+ * a SETCLIENTID_CONFIRM request
+ */
+static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_setclientid_confirm(&xdr);
+ if (!status)
+ status = decode_putrootfh(&xdr);
+ if (!status)
+ status = decode_fsinfo(&xdr, fsinfo);
+ if (!status)
+ status = -nfs_stat_to_errno(hdr.status);
+ return status;
+}
+
+/*
+ * DELEGRETURN request
+ */
+static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status == 0) {
+ status = decode_putfh(&xdr);
+ if (status == 0)
+ status = decode_delegreturn(&xdr);
+ }
+ return status;
+}
+
+uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus)
+{
+ uint32_t bitmap[2] = {0};
+ uint32_t len;
+
+ if (!*p++) {
+ if (!*p)
+ return ERR_PTR(-EAGAIN);
+ entry->eof = 1;
+ return ERR_PTR(-EBADCOOKIE);
+ }
+
+ entry->prev_cookie = entry->cookie;
+ p = xdr_decode_hyper(p, &entry->cookie);
+ entry->len = ntohl(*p++);
+ entry->name = (const char *) p;
+ p += XDR_QUADLEN(entry->len);
+
+ /*
+ * In case the server doesn't return an inode number,
+ * we fake one here. (We don't use inode number 0,
+ * since glibc seems to choke on it...)
+ */
+ entry->ino = 1;
+
+ len = ntohl(*p++); /* bitmap length */
+ if (len-- > 0) {
+ bitmap[0] = ntohl(*p++);
+ if (len-- > 0) {
+ bitmap[1] = ntohl(*p++);
+ p += len;
+ }
+ }
+ len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */
+ if (len > 0) {
+ if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID)
+ xdr_decode_hyper(p, &entry->ino);
+ else if (bitmap[0] == FATTR4_WORD0_FILEID)
+ xdr_decode_hyper(p, &entry->ino);
+ p += len;
+ }
+
+ entry->eof = !p[0] && p[1];
+ return p;
+}
+
+/*
+ * We need to translate between nfs status return values and
+ * the local errno values which may not be the same.
+ */
+static struct {
+ int stat;
+ int errno;
+} nfs_errtbl[] = {
+ { NFS4_OK, 0 },
+ { NFS4ERR_PERM, EPERM },
+ { NFS4ERR_NOENT, ENOENT },
+ { NFS4ERR_IO, errno_NFSERR_IO },
+ { NFS4ERR_NXIO, ENXIO },
+ { NFS4ERR_ACCESS, EACCES },
+ { NFS4ERR_EXIST, EEXIST },
+ { NFS4ERR_XDEV, EXDEV },
+ { NFS4ERR_NOTDIR, ENOTDIR },
+ { NFS4ERR_ISDIR, EISDIR },
+ { NFS4ERR_INVAL, EINVAL },
+ { NFS4ERR_FBIG, EFBIG },
+ { NFS4ERR_NOSPC, ENOSPC },
+ { NFS4ERR_ROFS, EROFS },
+ { NFS4ERR_MLINK, EMLINK },
+ { NFS4ERR_NAMETOOLONG, ENAMETOOLONG },
+ { NFS4ERR_NOTEMPTY, ENOTEMPTY },
+ { NFS4ERR_DQUOT, EDQUOT },
+ { NFS4ERR_STALE, ESTALE },
+ { NFS4ERR_BADHANDLE, EBADHANDLE },
+ { NFS4ERR_BAD_COOKIE, EBADCOOKIE },
+ { NFS4ERR_NOTSUPP, ENOTSUPP },
+ { NFS4ERR_TOOSMALL, ETOOSMALL },
+ { NFS4ERR_SERVERFAULT, ESERVERFAULT },
+ { NFS4ERR_BADTYPE, EBADTYPE },
+ { NFS4ERR_LOCKED, EAGAIN },
+ { NFS4ERR_RESOURCE, EREMOTEIO },
+ { NFS4ERR_SYMLINK, ELOOP },
+ { NFS4ERR_OP_ILLEGAL, EOPNOTSUPP },
+ { NFS4ERR_DEADLOCK, EDEADLK },
+ { NFS4ERR_WRONGSEC, EPERM }, /* FIXME: this needs
+ * to be handled by a
+ * middle-layer.
+ */
+ { -1, EIO }
+};
+
+/*
+ * Convert an NFS error code to a local one.
+ * This one is used jointly by NFSv2 and NFSv3.
+ */
+static int
+nfs_stat_to_errno(int stat)
+{
+ int i;
+ for (i = 0; nfs_errtbl[i].stat != -1; i++) {
+ if (nfs_errtbl[i].stat == stat)
+ return nfs_errtbl[i].errno;
+ }
+ if (stat <= 10000 || stat > 10100) {
+ /* The server is looney tunes. */
+ return ESERVERFAULT;
+ }
+ /* If we cannot translate the error, the recovery routines should
+ * handle it.
+ * Note: remaining NFSv4 error codes have values > 10000, so should
+ * not conflict with native Linux error codes.
+ */
+ return stat;
+}
+
+#ifndef MAX
+# define MAX(a, b) (((a) > (b))? (a) : (b))
+#endif
+
+#define PROC(proc, argtype, restype) \
+[NFSPROC4_CLNT_##proc] = { \
+ .p_proc = NFSPROC4_COMPOUND, \
+ .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \
+ .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \
+ .p_bufsiz = MAX(NFS4_##argtype##_sz,NFS4_##restype##_sz) << 2, \
+ }
+
+struct rpc_procinfo nfs4_procedures[] = {
+ PROC(READ, enc_read, dec_read),
+ PROC(WRITE, enc_write, dec_write),
+ PROC(COMMIT, enc_commit, dec_commit),
+ PROC(OPEN, enc_open, dec_open),
+ PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm),
+ PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr),
+ PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade),
+ PROC(CLOSE, enc_close, dec_close),
+ PROC(SETATTR, enc_setattr, dec_setattr),
+ PROC(FSINFO, enc_fsinfo, dec_fsinfo),
+ PROC(RENEW, enc_renew, dec_renew),
+ PROC(SETCLIENTID, enc_setclientid, dec_setclientid),
+ PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm),
+ PROC(LOCK, enc_lock, dec_lock),
+ PROC(LOCKT, enc_lockt, dec_lockt),
+ PROC(LOCKU, enc_locku, dec_locku),
+ PROC(ACCESS, enc_access, dec_access),
+ PROC(GETATTR, enc_getattr, dec_getattr),
+ PROC(LOOKUP, enc_lookup, dec_lookup),
+ PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root),
+ PROC(REMOVE, enc_remove, dec_remove),
+ PROC(RENAME, enc_rename, dec_rename),
+ PROC(LINK, enc_link, dec_link),
+ PROC(SYMLINK, enc_symlink, dec_symlink),
+ PROC(CREATE, enc_create, dec_create),
+ PROC(PATHCONF, enc_pathconf, dec_pathconf),
+ PROC(STATFS, enc_statfs, dec_statfs),
+ PROC(READLINK, enc_readlink, dec_readlink),
+ PROC(READDIR, enc_readdir, dec_readdir),
+ PROC(SERVER_CAPS, enc_server_caps, dec_server_caps),
+ PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn),
+};
+
+struct rpc_version nfs_version4 = {
+ .number = 4,
+ .nrprocs = sizeof(nfs4_procedures)/sizeof(nfs4_procedures[0]),
+ .procs = nfs4_procedures
+};
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.