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authorVenkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com>2010-06-09 15:59:31 -0700
committerEric Van Hensbergen <ericvh@gmail.com>2010-08-02 14:28:29 -0500
commit50cc42ff3d7bc48a436c5a0413459ca7841b505f (patch)
tree7209ab2807e3a284c1fbd36dd885e34b81809b0d /net/9p
parent652df9a7fd03cb47a3f663f0c08a2bd086505e9b (diff)
downloadlinux-50cc42ff3d7bc48a436c5a0413459ca7841b505f.tar.bz2
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.c34
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;