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authorPavel Shilovsky <pshilovsky@samba.org>2012-09-18 16:20:32 -0700
committerSteve French <smfrench@gmail.com>2012-09-24 21:46:29 -0500
commit6bdf6dbd662176c0da5c3ac8ed10ac94e7776c85 (patch)
tree6972c90f953a9fe5efc9a8feea4613c1b15c83e1 /fs/cifs/smb1ops.c
parentc839ff244ba2d54d0933596e29a4b03e3c846a9a (diff)
CIFS: Move set_file_info to ops struct
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/smb1ops.c')
-rw-r--r--fs/cifs/smb1ops.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index b73d2750296d..ed311968437a 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -758,6 +758,84 @@ cifs_sync_write(const unsigned int xid, struct cifsFileInfo *cfile,
return CIFSSMBWrite2(xid, parms, written, iov, nr_segs);
}
+static int
+smb_set_file_info(struct inode *inode, const char *full_path,
+ FILE_BASIC_INFO *buf, const unsigned int xid)
+{
+ int oplock = 0;
+ int rc;
+ __u16 netfid;
+ __u32 netpid;
+ struct cifsFileInfo *open_file;
+ struct cifsInodeInfo *cinode = CIFS_I(inode);
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ struct tcon_link *tlink = NULL;
+ struct cifs_tcon *tcon;
+ FILE_BASIC_INFO info_buf;
+
+ /* if the file is already open for write, just use that fileid */
+ open_file = find_writable_file(cinode, true);
+ if (open_file) {
+ netfid = open_file->fid.netfid;
+ netpid = open_file->pid;
+ tcon = tlink_tcon(open_file->tlink);
+ goto set_via_filehandle;
+ }
+
+ tlink = cifs_sb_tlink(cifs_sb);
+ if (IS_ERR(tlink)) {
+ rc = PTR_ERR(tlink);
+ tlink = NULL;
+ goto out;
+ }
+ tcon = tlink_tcon(tlink);
+
+ /*
+ * NT4 apparently returns success on this call, but it doesn't really
+ * work.
+ */
+ if (!(tcon->ses->flags & CIFS_SES_NT4)) {
+ rc = CIFSSMBSetPathInfo(xid, tcon, full_path, buf,
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (rc == 0) {
+ cinode->cifsAttrs = le32_to_cpu(buf->Attributes);
+ goto out;
+ } else if (rc != -EOPNOTSUPP && rc != -EINVAL)
+ goto out;
+ }
+
+ cFYI(1, "calling SetFileInfo since SetPathInfo for times not supported "
+ "by this server");
+ rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN,
+ SYNCHRONIZE | FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR,
+ &netfid, &oplock, NULL, cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+
+ if (rc != 0) {
+ if (rc == -EIO)
+ rc = -EINVAL;
+ goto out;
+ }
+
+ netpid = current->tgid;
+
+set_via_filehandle:
+ rc = CIFSSMBSetFileInfo(xid, tcon, &info_buf, netfid, netpid);
+ if (!rc)
+ cinode->cifsAttrs = le32_to_cpu(buf->Attributes);
+
+ if (open_file == NULL)
+ CIFSSMBClose(xid, tcon, netfid);
+ else
+ cifsFileInfo_put(open_file);
+out:
+ if (tlink != NULL)
+ cifs_put_tlink(tlink);
+ return rc;
+}
+
struct smb_version_operations smb1_operations = {
.send_cancel = send_nt_cancel,
.compare_fids = cifs_compare_fids,
@@ -795,6 +873,7 @@ struct smb_version_operations smb1_operations = {
.get_srv_inum = cifs_get_srv_inum,
.set_path_size = CIFSSMBSetEOF,
.set_file_size = CIFSSMBSetFileSize,
+ .set_file_info = smb_set_file_info,
.build_path_to_root = cifs_build_path_to_root,
.echo = CIFSSMBEcho,
.mkdir = CIFSSMBMkDir,