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-rw-r--r--fs/cifs/cifsglob.h2
-rw-r--r--fs/cifs/ioctl.c55
-rw-r--r--fs/cifs/smb2ops.c11
-rw-r--r--fs/cifs/smb2pdu.c27
-rw-r--r--fs/cifs/smb2pdu.h9
-rw-r--r--fs/cifs/smb2proto.h2
6 files changed, 87 insertions, 19 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 52b6f6c26bfc..06e8947fc370 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -278,6 +278,8 @@ struct smb_version_operations {
/* set attributes */
int (*set_file_info)(struct inode *, const char *, FILE_BASIC_INFO *,
const unsigned int);
+ int (*set_compression)(const unsigned int, struct cifs_tcon *,
+ struct cifsFileInfo *);
/* check if we can send an echo or nor */
bool (*can_echo)(struct TCP_Server_Info *);
/* send echo request */
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 3e0845585853..029867078aff 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -3,7 +3,7 @@
*
* vfs operations that deal with io control
*
- * Copyright (C) International Business Machines Corp., 2005,2007
+ * Copyright (C) International Business Machines Corp., 2005,2013
* Author(s): Steve French (sfrench@us.ibm.com)
*
* This library is free software; you can redistribute it and/or modify
@@ -34,13 +34,11 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
int rc = -ENOTTY; /* strange error - but the precedent */
unsigned int xid;
struct cifs_sb_info *cifs_sb;
-#ifdef CONFIG_CIFS_POSIX
struct cifsFileInfo *pSMBFile = filep->private_data;
struct cifs_tcon *tcon;
__u64 ExtAttrBits = 0;
__u64 ExtAttrMask = 0;
__u64 caps;
-#endif /* CONFIG_CIFS_POSIX */
xid = get_xid();
@@ -49,12 +47,12 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
cifs_sb = CIFS_SB(inode->i_sb);
switch (command) {
-#ifdef CONFIG_CIFS_POSIX
case FS_IOC_GETFLAGS:
if (pSMBFile == NULL)
break;
tcon = tlink_tcon(pSMBFile->tlink);
caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
+#ifdef CONFIG_CIFS_POSIX
if (CIFS_UNIX_EXTATTR_CAP & caps) {
rc = CIFSGetExtAttr(xid, tcon,
pSMBFile->fid.netfid,
@@ -63,29 +61,50 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
rc = put_user(ExtAttrBits &
FS_FL_USER_VISIBLE,
(int __user *)arg);
+ if (rc != EOPNOTSUPP)
+ break;
+ }
+#endif /* CONFIG_CIFS_POSIX */
+ rc = 0;
+ if (CIFS_I(inode)->cifsAttrs & ATTR_COMPRESSED) {
+ /* add in the compressed bit */
+ ExtAttrBits = FS_COMPR_FL;
+ rc = put_user(ExtAttrBits & FS_FL_USER_VISIBLE,
+ (int __user *)arg);
}
break;
-
case FS_IOC_SETFLAGS:
if (pSMBFile == NULL)
break;
tcon = tlink_tcon(pSMBFile->tlink);
caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
- if (CIFS_UNIX_EXTATTR_CAP & caps) {
- if (get_user(ExtAttrBits, (int __user *)arg)) {
- rc = -EFAULT;
- break;
- }
- /*
- * rc = CIFSGetExtAttr(xid, tcon,
- * pSMBFile->fid.netfid,
- * extAttrBits,
- * &ExtAttrMask);
- */
+
+ if (get_user(ExtAttrBits, (int __user *)arg)) {
+ rc = -EFAULT;
+ break;
+ }
+
+ /*
+ * if (CIFS_UNIX_EXTATTR_CAP & caps)
+ * rc = CIFSSetExtAttr(xid, tcon,
+ * pSMBFile->fid.netfid,
+ * extAttrBits,
+ * &ExtAttrMask);
+ * if (rc != EOPNOTSUPP)
+ * break;
+ */
+
+ /* Currently only flag we can set is compressed flag */
+ if ((ExtAttrBits & FS_COMPR_FL) == 0)
+ break;
+
+ /* Try to set compress flag */
+ if (tcon->ses->server->ops->set_compression) {
+ rc = tcon->ses->server->ops->set_compression(
+ xid, tcon, pSMBFile);
+ cifs_dbg(FYI, "set compress flag rc %d\n", rc);
}
- cifs_dbg(FYI, "set flags not implemented yet\n");
break;
-#endif /* CONFIG_CIFS_POSIX */
default:
cifs_dbg(FYI, "unsupported ioctl\n");
break;
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 861b33214144..b96bacce955a 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -446,6 +446,14 @@ smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon,
}
static int
+smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifsFileInfo *cfile)
+{
+ return SMB2_set_compression(xid, tcon, cfile->fid.persistent_fid,
+ cfile->fid.volatile_fid);
+}
+
+static int
smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
const char *path, struct cifs_sb_info *cifs_sb,
struct cifs_fid *fid, __u16 search_flags,
@@ -874,6 +882,7 @@ struct smb_version_operations smb20_operations = {
.set_path_size = smb2_set_path_size,
.set_file_size = smb2_set_file_size,
.set_file_info = smb2_set_file_info,
+ .set_compression = smb2_set_compression,
.mkdir = smb2_mkdir,
.mkdir_setinfo = smb2_mkdir_setinfo,
.rmdir = smb2_rmdir,
@@ -945,6 +954,7 @@ struct smb_version_operations smb21_operations = {
.set_path_size = smb2_set_path_size,
.set_file_size = smb2_set_file_size,
.set_file_info = smb2_set_file_info,
+ .set_compression = smb2_set_compression,
.mkdir = smb2_mkdir,
.mkdir_setinfo = smb2_mkdir_setinfo,
.rmdir = smb2_rmdir,
@@ -1017,6 +1027,7 @@ struct smb_version_operations smb30_operations = {
.set_path_size = smb2_set_path_size,
.set_file_size = smb2_set_file_size,
.set_file_info = smb2_set_file_info,
+ .set_compression = smb2_set_compression,
.mkdir = smb2_mkdir,
.mkdir_setinfo = smb2_mkdir_setinfo,
.rmdir = smb2_rmdir,
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 6e1868611233..bbafa12e83b2 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1247,6 +1247,33 @@ ioctl_exit:
return rc;
}
+/*
+ * Individual callers to ioctl worker function follow
+ */
+
+int
+SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid)
+{
+ int rc;
+ char *res_key = NULL;
+ struct compress_ioctl fsctl_input;
+ char *ret_data = NULL;
+
+ fsctl_input.CompressionState =
+ __constant_cpu_to_le16(COMPRESSION_FORMAT_DEFAULT);
+
+ rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid,
+ FSCTL_SET_COMPRESSION, true /* is_fsctl */,
+ (char *)&fsctl_input /* data input */,
+ 2 /* in data len */, &ret_data /* out data */, NULL);
+
+ cifs_dbg(FYI, "set compression rc %d\n", rc);
+ kfree(res_key);
+
+ return rc;
+}
+
int
SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid)
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index b83d0118a757..c7c3c8294d1a 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -569,6 +569,13 @@ struct network_interface_info_ioctl_rsp {
#define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
+struct compress_ioctl {
+ __le16 CompressionState;
+} __packed;
+
+#define COMPRESSION_FORMAT_NONE 0x0000
+#define COMPRESSION_FORMAT_DEFAULT 0x0001
+#define COMPRESSION_FORMAT_LZNT1 0x0002
struct smb2_ioctl_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 57 */
@@ -584,7 +591,7 @@ struct smb2_ioctl_req {
__le32 MaxOutputResponse;
__le32 Flags;
__u32 Reserved2;
- char Buffer[0];
+ __u8 Buffer[0];
} __packed;
struct smb2_ioctl_rsp {
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index e3fb4801ee96..3cf22e39420d 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -142,6 +142,8 @@ extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
FILE_BASIC_INFO *buf);
+extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid);
extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
const u64 persistent_fid, const u64 volatile_fid,
const __u8 oplock_level);
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