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authorNamjae Jeon <namjae.jeon@samsung.com>2013-02-17 15:48:11 +0900
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-26 02:46:10 -0500
commit94e07a7590ae855bae0536c42b3086fadc7c83a8 (patch)
treea34b3acd03dc5da51b3307478dd572fbd6d22880
parentkill f_vfsmnt (diff)
downloadlinux-dev-94e07a7590ae855bae0536c42b3086fadc7c83a8.tar.xz
linux-dev-94e07a7590ae855bae0536c42b3086fadc7c83a8.zip
fs: encode_fh: return FILEID_INVALID if invalid fid_type
This patch is a follow up on below patch: [PATCH] exportfs: add FILEID_INVALID to indicate invalid fid_type commit: 216b6cbdcbd86b1db0754d58886b466ae31f5a63 Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Vivek Trivedi <t.vivek@samsung.com> Acked-by: Steven Whitehouse <swhiteho@redhat.com> Acked-by: Sage Weil <sage@inktank.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/btrfs/export.c4
-rw-r--r--fs/ceph/export.c4
-rw-r--r--fs/fuse/inode.c2
-rw-r--r--fs/gfs2/export.c4
-rw-r--r--fs/isofs/export.c4
-rw-r--r--fs/nilfs2/namei.c4
-rw-r--r--fs/ocfs2/export.c4
-rw-r--r--fs/reiserfs/inode.c4
-rw-r--r--fs/udf/namei.c4
-rw-r--r--fs/xfs/xfs_export.c4
-rw-r--r--mm/cleancache.c2
-rw-r--r--mm/shmem.c2
12 files changed, 21 insertions, 21 deletions
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 614f34a899c2..81ee29eeb7ca 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -22,10 +22,10 @@ static int btrfs_encode_fh(struct inode *inode, u32 *fh, int *max_len,
if (parent && (len < BTRFS_FID_SIZE_CONNECTABLE)) {
*max_len = BTRFS_FID_SIZE_CONNECTABLE;
- return 255;
+ return FILEID_INVALID;
} else if (len < BTRFS_FID_SIZE_NON_CONNECTABLE) {
*max_len = BTRFS_FID_SIZE_NON_CONNECTABLE;
- return 255;
+ return FILEID_INVALID;
}
len = BTRFS_FID_SIZE_NON_CONNECTABLE;
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index ca3ab3f9ca70..16796be53ca5 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -81,7 +81,7 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len,
if (parent_inode) {
/* nfsd wants connectable */
*max_len = connected_handle_length;
- type = 255;
+ type = FILEID_INVALID;
} else {
dout("encode_fh %p\n", dentry);
fh->ino = ceph_ino(inode);
@@ -90,7 +90,7 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len,
}
} else {
*max_len = handle_length;
- type = 255;
+ type = FILEID_INVALID;
}
if (dentry)
dput(dentry);
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 73ca6b72beaf..b730fda9aa4c 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -678,7 +678,7 @@ static int fuse_encode_fh(struct inode *inode, u32 *fh, int *max_len,
if (*max_len < len) {
*max_len = len;
- return 255;
+ return FILEID_INVALID;
}
nodeid = get_fuse_inode(inode)->nodeid;
diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c
index 4767774a5f3e..9973df4ff565 100644
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -37,10 +37,10 @@ static int gfs2_encode_fh(struct inode *inode, __u32 *p, int *len,
if (parent && (*len < GFS2_LARGE_FH_SIZE)) {
*len = GFS2_LARGE_FH_SIZE;
- return 255;
+ return FILEID_INVALID;
} else if (*len < GFS2_SMALL_FH_SIZE) {
*len = GFS2_SMALL_FH_SIZE;
- return 255;
+ return FILEID_INVALID;
}
fh[0] = cpu_to_be32(ip->i_no_formal_ino >> 32);
diff --git a/fs/isofs/export.c b/fs/isofs/export.c
index 2b4f2358eadb..12088d8de3fa 100644
--- a/fs/isofs/export.c
+++ b/fs/isofs/export.c
@@ -125,10 +125,10 @@ isofs_export_encode_fh(struct inode *inode,
*/
if (parent && (len < 5)) {
*max_len = 5;
- return 255;
+ return FILEID_INVALID;
} else if (len < 3) {
*max_len = 3;
- return 255;
+ return FILEID_INVALID;
}
len = 3;
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 1d0c0b84c5a3..9de78f08989e 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -517,11 +517,11 @@ static int nilfs_encode_fh(struct inode *inode, __u32 *fh, int *lenp,
if (parent && *lenp < NILFS_FID_SIZE_CONNECTABLE) {
*lenp = NILFS_FID_SIZE_CONNECTABLE;
- return 255;
+ return FILEID_INVALID;
}
if (*lenp < NILFS_FID_SIZE_NON_CONNECTABLE) {
*lenp = NILFS_FID_SIZE_NON_CONNECTABLE;
- return 255;
+ return FILEID_INVALID;
}
fid->cno = root->cno;
diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c
index 322216a5f0dd..29651167190d 100644
--- a/fs/ocfs2/export.c
+++ b/fs/ocfs2/export.c
@@ -195,11 +195,11 @@ static int ocfs2_encode_fh(struct inode *inode, u32 *fh_in, int *max_len,
if (parent && (len < 6)) {
*max_len = 6;
- type = 255;
+ type = FILEID_INVALID;
goto bail;
} else if (len < 3) {
*max_len = 3;
- type = 255;
+ type = FILEID_INVALID;
goto bail;
}
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 95d7680ead47..ea5061fd4f3e 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1603,10 +1603,10 @@ int reiserfs_encode_fh(struct inode *inode, __u32 * data, int *lenp,
if (parent && (maxlen < 5)) {
*lenp = 5;
- return 255;
+ return FILEID_INVALID;
} else if (maxlen < 3) {
*lenp = 3;
- return 255;
+ return FILEID_INVALID;
}
data[0] = inode->i_ino;
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 95fee278ab9d..102c072c6bbf 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -1270,10 +1270,10 @@ static int udf_encode_fh(struct inode *inode, __u32 *fh, int *lenp,
if (parent && (len < 5)) {
*lenp = 5;
- return 255;
+ return FILEID_INVALID;
} else if (len < 3) {
*lenp = 3;
- return 255;
+ return FILEID_INVALID;
}
*lenp = 3;
diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c
index a83611849cee..c585bc646395 100644
--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -48,7 +48,7 @@ static int xfs_fileid_length(int fileid_type)
case FILEID_INO32_GEN_PARENT | XFS_FILEID_TYPE_64FLAG:
return 6;
}
- return 255; /* invalid */
+ return FILEID_INVALID;
}
STATIC int
@@ -90,7 +90,7 @@ xfs_fs_encode_fh(
len = xfs_fileid_length(fileid_type);
if (*max_len < len) {
*max_len = len;
- return 255;
+ return FILEID_INVALID;
}
*max_len = len;
diff --git a/mm/cleancache.c b/mm/cleancache.c
index 32e6f4136fa2..d76ba74be2d0 100644
--- a/mm/cleancache.c
+++ b/mm/cleancache.c
@@ -89,7 +89,7 @@ static int cleancache_get_key(struct inode *inode,
fhfn = sb->s_export_op->encode_fh;
if (fhfn) {
len = (*fhfn)(inode, &key->u.fh[0], &maxlen, NULL);
- if (len <= 0 || len == 255)
+ if (len <= FILEID_ROOT || len == FILEID_INVALID)
return -1;
if (maxlen > CLEANCACHE_KEY_MAX)
return -1;
diff --git a/mm/shmem.c b/mm/shmem.c
index 25cd688bd208..320ffc1d1d1e 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2351,7 +2351,7 @@ static int shmem_encode_fh(struct inode *inode, __u32 *fh, int *len,
{
if (*len < 3) {
*len = 3;
- return 255;
+ return FILEID_INVALID;
}
if (inode_unhashed(inode)) {