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authorEric Van Hensbergen <ericvh@gmail.com>2008-02-06 19:25:09 -0600
committerEric Van Hensbergen <ericvh@opteron.homeip.net>2008-02-06 19:25:09 -0600
commit043aba403e9958c6526c9279b63919273cb09c13 (patch)
treea8caca5d1d9691407588f2e8dc8a1200843c998f /net/9p/client.c
parentafcf0c13aeac04a39fa4d1eafdb75604b81af860 (diff)
downloadlinux-2.6.38-lt-ux500-043aba403e9958c6526c9279b63919273cb09c13.tar.gz
9p: create transport rpc cut-thru
Add a new transport function which allows a cut-thru directly to the transport instead of processing request through the mux if the cut-thru exists. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'net/9p/client.c')
-rw-r--r--net/9p/client.c49
1 files changed, 33 insertions, 16 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index 069d9aa1420..b0d08c2375d 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -39,6 +39,23 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt);
static void p9_fid_destroy(struct p9_fid *fid);
static struct p9_stat *p9_clone_stat(struct p9_stat *st, int dotu);
+/**
+ * p9_client_rpc - sends 9P request and waits until a response is available.
+ * The function can be interrupted.
+ * @c: client data
+ * @tc: request to be sent
+ * @rc: pointer where a pointer to the response is stored
+ */
+int
+p9_client_rpc(struct p9_client *c, struct p9_fcall *tc,
+ struct p9_fcall **rc)
+{
+ if (c->trans->rpc)
+ return c->trans->rpc(c->trans, tc, rc);
+ else
+ return p9_conn_rpc(c->conn, tc, rc);
+}
+
struct p9_client *p9_client_create(struct p9_trans *trans, int msize,
int dotu)
{
@@ -82,7 +99,7 @@ struct p9_client *p9_client_create(struct p9_trans *trans, int msize,
goto error;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto error;
@@ -174,7 +191,7 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
goto error;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto error;
@@ -219,7 +236,7 @@ struct p9_fid *p9_client_auth(struct p9_client *clnt, char *uname,
goto error;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto error;
@@ -270,7 +287,7 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
goto error;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err) {
if (rc && rc->id == P9_RWALK)
goto clunk_fid;
@@ -305,7 +322,7 @@ clunk_fid:
goto error;
}
- p9_conn_rpc(clnt->conn, tc, &rc);
+ p9_client_rpc(clnt->conn, tc, &rc);
error:
kfree(tc);
@@ -339,7 +356,7 @@ int p9_client_open(struct p9_fid *fid, int mode)
goto done;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto done;
@@ -378,7 +395,7 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
goto done;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto done;
@@ -411,7 +428,7 @@ int p9_client_clunk(struct p9_fid *fid)
goto done;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto done;
@@ -443,7 +460,7 @@ int p9_client_remove(struct p9_fid *fid)
goto done;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto done;
@@ -485,7 +502,7 @@ int p9_client_read(struct p9_fid *fid, char *data, u64 offset, u32 count)
goto error;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto error;
@@ -542,7 +559,7 @@ int p9_client_write(struct p9_fid *fid, char *data, u64 offset, u32 count)
goto error;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto error;
@@ -596,7 +613,7 @@ p9_client_uread(struct p9_fid *fid, char __user *data, u64 offset, u32 count)
goto error;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto error;
@@ -660,7 +677,7 @@ p9_client_uwrite(struct p9_fid *fid, const char __user *data, u64 offset,
goto error;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto error;
@@ -731,7 +748,7 @@ struct p9_stat *p9_client_stat(struct p9_fid *fid)
goto error;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto error;
@@ -773,7 +790,7 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
goto done;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
done:
kfree(tc);
@@ -830,7 +847,7 @@ struct p9_stat *p9_client_dirread(struct p9_fid *fid, u64 offset)
goto error;
}
- err = p9_conn_rpc(clnt->conn, tc, &rc);
+ err = p9_client_rpc(clnt->conn, tc, &rc);
if (err)
goto error;