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| author | Venkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com> | 2010-06-09 15:59:31 -0700 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2010-08-02 14:28:29 -0500 |
| commit | 50cc42ff3d7bc48a436c5a0413459ca7841b505f (patch) | |
| tree | 7209ab2807e3a284c1fbd36dd885e34b81809b0d /net/9p | |
| parent | 652df9a7fd03cb47a3f663f0c08a2bd086505e9b (diff) | |
| download | lwn-50cc42ff3d7bc48a436c5a0413459ca7841b505f.tar.gz lwn-50cc42ff3d7bc48a436c5a0413459ca7841b505f.zip | |
9p: Define and implement TSYMLINK for 9P2000.L
Create a symbolic link
SYNOPSIS
size[4] Tsymlink tag[2] fid[4] name[s] symtgt[s] gid[4]
size[4] Rsymlink tag[2] qid[13]
DESCRIPTION
Create a symbolic link named 'name' pointing to 'symtgt'.
gid represents the effective group id of the caller.
The permissions of a symbolic link are irrelevant hence it is omitted
from the protocol.
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Reviewed-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'net/9p')
| -rw-r--r-- | net/9p/client.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index ad1c4489ab4d..e37e64cb9394 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -1095,6 +1095,40 @@ error: } EXPORT_SYMBOL(p9_client_fcreate); +int p9_client_symlink(struct p9_fid *dfid, char *name, char *symtgt, gid_t gid, + struct p9_qid *qid) +{ + int err = 0; + struct p9_client *clnt; + struct p9_req_t *req; + + P9_DPRINTK(P9_DEBUG_9P, ">>> TSYMLINK dfid %d name %s symtgt %s\n", + dfid->fid, name, symtgt); + clnt = dfid->clnt; + + req = p9_client_rpc(clnt, P9_TSYMLINK, "dssd", dfid->fid, name, symtgt, + gid); + if (IS_ERR(req)) { + err = PTR_ERR(req); + goto error; + } + + err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid); + if (err) { + p9pdu_dump(1, req->rc); + goto free_and_error; + } + + P9_DPRINTK(P9_DEBUG_9P, "<<< RSYMLINK qid %x.%llx.%x\n", + qid->type, (unsigned long long)qid->path, qid->version); + +free_and_error: + p9_free_req(clnt, req); +error: + return err; +} +EXPORT_SYMBOL(p9_client_symlink); + int p9_client_link(struct p9_fid *dfid, struct p9_fid *oldfid, char *newname) { struct p9_client *clnt; |