diff options
| author | Tejun Heo <tj@kernel.org> | 2011-02-01 13:42:43 +0300 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-02-01 13:42:43 +0300 |
| commit | 61edeeed917958dce5b43134d6704451ddf421fa (patch) | |
| tree | 2492995f8494c66bd4a164fb717c186061e8620d /net/9p/trans_fd.c | |
| parent | 83e759043abe9d0291f58f2427ba12bbb0a6e4f1 (diff) | |
| download | linux-61edeeed917958dce5b43134d6704451ddf421fa.tar.xz | |
net/9p: use system_wq instead of p9_mux_wq
With cmwq, there's no reason to use a dedicated workqueue in trans_fd.
Drop p9_mux_wq and use system_wq instead. The used work items are
already sync canceled in p9_conn_destroy() and doesn't require further
synchronization.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Cc: v9fs-developer@lists.sourceforge.net
Diffstat (limited to 'net/9p/trans_fd.c')
| -rw-r--r-- | net/9p/trans_fd.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index 078eb162d9bf..e9f797d24414 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -155,7 +155,6 @@ struct p9_conn { static DEFINE_SPINLOCK(p9_poll_lock); static LIST_HEAD(p9_poll_pending_list); -static struct workqueue_struct *p9_mux_wq; static struct task_struct *p9_poll_task; static void p9_mux_poll_stop(struct p9_conn *m) @@ -384,7 +383,7 @@ static void p9_read_work(struct work_struct *work) if (n & POLLIN) { P9_DPRINTK(P9_DEBUG_TRANS, "sched read work %p\n", m); - queue_work(p9_mux_wq, &m->rq); + schedule_work(&m->rq); } else clear_bit(Rworksched, &m->wsched); } else @@ -497,7 +496,7 @@ static void p9_write_work(struct work_struct *work) if (n & POLLOUT) { P9_DPRINTK(P9_DEBUG_TRANS, "sched write work %p\n", m); - queue_work(p9_mux_wq, &m->wq); + schedule_work(&m->wq); } else clear_bit(Wworksched, &m->wsched); } else @@ -629,7 +628,7 @@ static void p9_poll_mux(struct p9_conn *m) P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can read\n", m); if (!test_and_set_bit(Rworksched, &m->wsched)) { P9_DPRINTK(P9_DEBUG_TRANS, "sched read work %p\n", m); - queue_work(p9_mux_wq, &m->rq); + schedule_work(&m->rq); } } @@ -639,7 +638,7 @@ static void p9_poll_mux(struct p9_conn *m) if ((m->wsize || !list_empty(&m->unsent_req_list)) && !test_and_set_bit(Wworksched, &m->wsched)) { P9_DPRINTK(P9_DEBUG_TRANS, "sched write work %p\n", m); - queue_work(p9_mux_wq, &m->wq); + schedule_work(&m->wq); } } } @@ -677,7 +676,7 @@ static int p9_fd_request(struct p9_client *client, struct p9_req_t *req) n = p9_fd_poll(m->client, NULL); if (n & POLLOUT && !test_and_set_bit(Wworksched, &m->wsched)) - queue_work(p9_mux_wq, &m->wq); + schedule_work(&m->wq); return 0; } @@ -1083,15 +1082,8 @@ static int p9_poll_proc(void *a) int p9_trans_fd_init(void) { - p9_mux_wq = create_workqueue("v9fs"); - if (!p9_mux_wq) { - printk(KERN_WARNING "v9fs: mux: creating workqueue failed\n"); - return -ENOMEM; - } - p9_poll_task = kthread_run(p9_poll_proc, NULL, "v9fs-poll"); if (IS_ERR(p9_poll_task)) { - destroy_workqueue(p9_mux_wq); printk(KERN_WARNING "v9fs: mux: creating poll task failed\n"); return PTR_ERR(p9_poll_task); } @@ -1109,6 +1101,4 @@ void p9_trans_fd_exit(void) v9fs_unregister_trans(&p9_tcp_trans); v9fs_unregister_trans(&p9_unix_trans); v9fs_unregister_trans(&p9_fd_trans); - - destroy_workqueue(p9_mux_wq); } |