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9p: Implement TMKNOD

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Synopsis

    size[4] Tmknod tag[2] fid[4] name[s] mode[4] major[4] minor[4] gid[4]

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

Description

    mknod asks the file server to create a device node with given major and
    minor number, mode and gid. The qid for the new device node is returned
    with the mknod reply message.

[[email protected]: Fix error handling code]

Signed-off-by: M. Mohan Kumar <[email protected]>
Signed-off-by: Venkateswararao Jujjuri <[email protected]>
Signed-off-by: Eric Van Hensbergen <[email protected]>
This commit is contained in:
M. Mohan Kumar 2010-06-16 14:27:01 +05:30 • committed by Eric Van Hensbergen
commit 4b43516ab1
4 changed files with 140 additions and 3 deletions
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31
net/9p/client.c
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@ -1622,3 +1622,34 @@ error:
return err;
}
EXPORT_SYMBOL(p9_client_readdir);
int p9_client_mknod_dotl(struct p9_fid *fid, char *name, int mode,
dev_t rdev, gid_t gid, struct p9_qid *qid)
{
int err;
struct p9_client *clnt;
struct p9_req_t *req;
err = 0;
clnt = fid->clnt;
P9_DPRINTK(P9_DEBUG_9P, ">>> TMKNOD fid %d name %s mode %d major %d "
"minor %d\n", fid->fid, name, mode, MAJOR(rdev), MINOR(rdev));
req = p9_client_rpc(clnt, P9_TMKNOD, "dsdddd", fid->fid, name, mode,
MAJOR(rdev), MINOR(rdev), gid);
if (IS_ERR(req))
return PTR_ERR(req);
err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid);
if (err) {
p9pdu_dump(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RMKNOD qid %x.%llx.%x\n", qid->type,
(unsigned long long)qid->path, qid->version);
error:
p9_free_req(clnt, req);
return err;
}
EXPORT_SYMBOL(p9_client_mknod_dotl);