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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  9p: Optimize TCREATE by eliminating a redundant fid clone.
  9p: cleanup: remove unneeded assignment
  9p: Add mksock support
  fs/9p: Make sure we properly instantiate dentry.
  9p: add 9P2000.L rename operation
  9p: add 9P2000.L statfs operation
  9p: VFS switches for 9p2000.L: VFS switches
  9p: VFS switches for 9p2000.L: protocol and client changes
This commit is contained in:
Linus Torvalds 2010-05-24 07:41:13 -07:00
commit 4fd5ec509b
9 changed files with 261 additions and 33 deletions
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70
net/9p/client.c
View file

@ -1321,7 +1321,8 @@ static int p9_client_statsize(struct p9_wstat *wst, int proto_version)
if (wst->muid)
ret += strlen(wst->muid);
if (proto_version == p9_proto_2000u) {
if ((proto_version == p9_proto_2000u) ||
(proto_version == p9_proto_2000L)) {
ret += 2+4+4+4; /* extension[s] n_uid[4] n_gid[4] n_muid[4] */
if (wst->extension)
ret += strlen(wst->extension);
@ -1364,3 +1365,70 @@ error:
return err;
}
EXPORT_SYMBOL(p9_client_wstat);
int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb)
{
int err;
struct p9_req_t *req;
struct p9_client *clnt;
err = 0;
clnt = fid->clnt;
P9_DPRINTK(P9_DEBUG_9P, ">>> TSTATFS fid %d\n", fid->fid);
req = p9_client_rpc(clnt, P9_TSTATFS, "d", fid->fid);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto error;
}
err = p9pdu_readf(req->rc, clnt->proto_version, "ddqqqqqqd", &sb->type,
&sb->bsize, &sb->blocks, &sb->bfree, &sb->bavail,
&sb->files, &sb->ffree, &sb->fsid, &sb->namelen);
if (err) {
p9pdu_dump(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RSTATFS fid %d type 0x%lx bsize %ld "
"blocks %llu bfree %llu bavail %llu files %llu ffree %llu "
"fsid %llu namelen %ld\n",
fid->fid, (long unsigned int)sb->type, (long int)sb->bsize,
sb->blocks, sb->bfree, sb->bavail, sb->files, sb->ffree,
sb->fsid, (long int)sb->namelen);
p9_free_req(clnt, req);
error:
return err;
}
EXPORT_SYMBOL(p9_client_statfs);
int p9_client_rename(struct p9_fid *fid, struct p9_fid *newdirfid, char *name)
{
int err;
struct p9_req_t *req;
struct p9_client *clnt;
err = 0;
clnt = fid->clnt;
P9_DPRINTK(P9_DEBUG_9P, ">>> TRENAME fid %d newdirfid %d name %s\n",
fid->fid, newdirfid->fid, name);
req = p9_client_rpc(clnt, P9_TRENAME, "dds", fid->fid,
newdirfid->fid, name);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RRENAME fid %d\n", fid->fid);
p9_free_req(clnt, req);
error:
return err;
}
EXPORT_SYMBOL(p9_client_rename);

6
net/9p/protocol.c
View file

@ -341,7 +341,8 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
}
break;
case '?':
if (proto_version != p9_proto_2000u)
if ((proto_version != p9_proto_2000u) &&
(proto_version != p9_proto_2000L))
return 0;
break;
default:
@ -488,7 +489,8 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
}
break;
case '?':
if (proto_version != p9_proto_2000u)
if ((proto_version != p9_proto_2000u) &&
(proto_version != p9_proto_2000L))
return 0;
break;
default: