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authorTejun Heo <tj@kernel.org>2011-02-01 13:42:43 +0300
committerTejun Heo <tj@kernel.org>2011-02-01 13:42:43 +0300
commit61edeeed917958dce5b43134d6704451ddf421fa (patch)
tree2492995f8494c66bd4a164fb717c186061e8620d /net/9p/trans_fd.c
parent83e759043abe9d0291f58f2427ba12bbb0a6e4f1 (diff)
downloadlinux-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.c20
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);
}