9p: Implement TMKDIR

Implement TMKDIR as part of 2000.L Work

Synopsis

    size[4] Tmkdir tag[2] fid[4] name[s] mode[4] gid[4]

    size[4] Rmkdir tag[2] qid[13]

Description

    mkdir asks the file server to create a directory with given name,
    mode and gid. The qid for the new directory is returned with
    the mkdir reply message.

Note: 72 is selected as the opcode for TMKDIR from the reserved list.

Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index ff32091d8063..091b471d8f05 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -94,6 +94,8 @@ do { \
  * @P9_RMKNOD: create a special file object response
  * @P9_TRENAME: rename request
  * @P9_RRENAME: rename response
+ * @P9_TMKDIR: create a directory request
+ * @P9_RMKDIR: create a directory response
  * @P9_TVERSION: version handshake request
  * @P9_RVERSION: version handshake response
  * @P9_TAUTH: request to establish authentication channel
@@ -149,6 +151,8 @@ enum p9_msg_t {
         P9_RREADDIR,
         P9_TLINK = 70,
         P9_RLINK,
+        P9_TMKDIR = 72,
+        P9_RMKDIR,
         P9_TVERSION = 100,
         P9_RVERSION,
         P9_TAUTH = 102,
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 6e70358c71d9..55d913a9b797 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -247,6 +247,8 @@ struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid,
 
 int p9_client_mknod_dotl(struct p9_fid *oldfid, char *name, int mode,
                         dev_t rdev, gid_t gid, struct p9_qid *);
+int p9_client_mkdir_dotl(struct p9_fid *fid, char *name, int mode,
+                                gid_t gid, struct p9_qid *);
 struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
 void p9_client_cb(struct p9_client *c, struct p9_req_t *req);