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9p: add 9P2000.L rename operation

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I made a V2 of this patch on top of my patches for VFS switches.
All the changes were due to change in some offsets.

rename - change name of file or directory

size[4] Trename tag[2] fid[4] newdirfid[4] name[s]
size[4] Rrename tag[2]

The rename message is used to change the name of a file, possibly moving it
to a new directory.  The 9P wstat message can only rename a file within the
same directory.

Signed-off-by: Jim Garlick <garlick@llnl.gov>
Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Sripathi Kodi
2010-03-25 12:47:26 +00:00
committed by Eric Van Hensbergen
parent bda8e77520
commit 4681dbdacb
4 changed files with 49 additions and 0 deletions
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7
fs/9p/vfs_inode.c
View File

@@ -794,6 +794,13 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
goto clunk_olddir;
}
if (v9fs_proto_dotl(v9ses)) {
retval = p9_client_rename(oldfid, newdirfid,
(char *) new_dentry->d_name.name);
if (retval != -ENOSYS)
goto clunk_newdir;
}
/* 9P can only handle file rename in the same directory */
if (memcmp(&olddirfid->qid, &newdirfid->qid, sizeof(newdirfid->qid))) {
P9_DPRINTK(P9_DEBUG_ERROR,