diff options
Diffstat (limited to 'fs/9p/9p.c')
| -rw-r--r-- | fs/9p/9p.c | 68 |
1 files changed, 49 insertions, 19 deletions
diff --git a/fs/9p/9p.c b/fs/9p/9p.c index e847f504a47c7e..a3a1ac61072369 100644 --- a/fs/9p/9p.c +++ b/fs/9p/9p.c @@ -52,10 +52,11 @@ v9fs_t_version(struct v9fs_session_info *v9ses, u32 msize, dprintk(DEBUG_9P, "msize: %d version: %s\n", msize, version); msg.id = TVERSION; + msg.tag = ~0; msg.params.tversion.msize = msize; msg.params.tversion.version = version; - return v9fs_mux_rpc(v9ses, &msg, fcall); + return v9fs_mux_rpc(v9ses->mux, &msg, fcall); } /** @@ -83,7 +84,30 @@ v9fs_t_attach(struct v9fs_session_info *v9ses, char *uname, char *aname, msg.params.tattach.uname = uname; msg.params.tattach.aname = aname; - return v9fs_mux_rpc(v9ses, &msg, fcall); + return v9fs_mux_rpc(v9ses->mux, &msg, fcall); +} + +static void v9fs_t_clunk_cb(void *a, struct v9fs_fcall *tc, + struct v9fs_fcall *rc, int err) +{ + int fid; + struct v9fs_session_info *v9ses; + + if (err) + return; + + fid = tc->params.tclunk.fid; + kfree(tc); + + if (!rc) + return; + + dprintk(DEBUG_9P, "tcall id %d rcall id %d\n", tc->id, rc->id); + v9ses = a; + if (rc->id == RCLUNK) + v9fs_put_idpool(fid, &v9ses->fidpool); + + kfree(rc); } /** @@ -93,18 +117,24 @@ v9fs_t_attach(struct v9fs_session_info *v9ses, char *uname, char *aname, * @fcall: pointer to response fcall pointer * */ - int -v9fs_t_clunk(struct v9fs_session_info *v9ses, u32 fid, - struct v9fs_fcall **fcall) +v9fs_t_clunk(struct v9fs_session_info *v9ses, u32 fid) { - struct v9fs_fcall msg; + int err; + struct v9fs_fcall *tc, *rc; + + tc = kmalloc(sizeof(struct v9fs_fcall), GFP_KERNEL); dprintk(DEBUG_9P, "fid %d\n", fid); - msg.id = TCLUNK; - msg.params.tclunk.fid = fid; + tc->id = TCLUNK; + tc->params.tclunk.fid = fid; - return v9fs_mux_rpc(v9ses, &msg, fcall); + err = v9fs_mux_rpc(v9ses->mux, tc, &rc); + if (err >= 0) { + v9fs_t_clunk_cb(v9ses, tc, rc, 0); + } + + return err; } /** @@ -121,7 +151,7 @@ int v9fs_t_flush(struct v9fs_session_info *v9ses, u16 tag) dprintk(DEBUG_9P, "oldtag %d\n", tag); msg.id = TFLUSH; msg.params.tflush.oldtag = tag; - return v9fs_mux_rpc(v9ses, &msg, NULL); + return v9fs_mux_rpc(v9ses->mux, &msg, NULL); } /** @@ -143,7 +173,7 @@ v9fs_t_stat(struct v9fs_session_info *v9ses, u32 fid, struct v9fs_fcall **fcall) msg.id = TSTAT; msg.params.tstat.fid = fid; - return v9fs_mux_rpc(v9ses, &msg, fcall); + return v9fs_mux_rpc(v9ses->mux, &msg, fcall); } /** @@ -166,7 +196,7 @@ v9fs_t_wstat(struct v9fs_session_info *v9ses, u32 fid, msg.params.twstat.fid = fid; msg.params.twstat.stat = stat; - return v9fs_mux_rpc(v9ses, &msg, fcall); + return v9fs_mux_rpc(v9ses->mux, &msg, fcall); } /** @@ -199,7 +229,7 @@ v9fs_t_walk(struct v9fs_session_info *v9ses, u32 fid, u32 newfid, msg.params.twalk.nwname = 0; } - return v9fs_mux_rpc(v9ses, &msg, fcall); + return v9fs_mux_rpc(v9ses->mux, &msg, fcall); } /** @@ -217,14 +247,14 @@ v9fs_t_open(struct v9fs_session_info *v9ses, u32 fid, u8 mode, struct v9fs_fcall **fcall) { struct v9fs_fcall msg; - long errorno = -1; + int errorno = -1; dprintk(DEBUG_9P, "fid %d mode %d\n", fid, mode); msg.id = TOPEN; msg.params.topen.fid = fid; msg.params.topen.mode = mode; - errorno = v9fs_mux_rpc(v9ses, &msg, fcall); + errorno = v9fs_mux_rpc(v9ses->mux, &msg, fcall); return errorno; } @@ -246,7 +276,7 @@ v9fs_t_remove(struct v9fs_session_info *v9ses, u32 fid, dprintk(DEBUG_9P, "fid %d\n", fid); msg.id = TREMOVE; msg.params.tremove.fid = fid; - return v9fs_mux_rpc(v9ses, &msg, fcall); + return v9fs_mux_rpc(v9ses->mux, &msg, fcall); } /** @@ -275,7 +305,7 @@ v9fs_t_create(struct v9fs_session_info *v9ses, u32 fid, char *name, msg.params.tcreate.perm = perm; msg.params.tcreate.mode = mode; - return v9fs_mux_rpc(v9ses, &msg, fcall); + return v9fs_mux_rpc(v9ses->mux, &msg, fcall); } /** @@ -302,7 +332,7 @@ v9fs_t_read(struct v9fs_session_info *v9ses, u32 fid, u64 offset, msg.params.tread.fid = fid; msg.params.tread.offset = offset; msg.params.tread.count = count; - errorno = v9fs_mux_rpc(v9ses, &msg, &rc); + errorno = v9fs_mux_rpc(v9ses->mux, &msg, &rc); if (!errorno) { errorno = rc->params.rread.count; @@ -345,7 +375,7 @@ v9fs_t_write(struct v9fs_session_info *v9ses, u32 fid, msg.params.twrite.count = count; msg.params.twrite.data = data; - errorno = v9fs_mux_rpc(v9ses, &msg, &rc); + errorno = v9fs_mux_rpc(v9ses->mux, &msg, &rc); if (!errorno) errorno = rc->params.rwrite.count; |