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authorDavid Teigland <teigland@redhat.com>2007-11-07 18:03:56 +0300
committerSteven Whitehouse <swhiteho@redhat.com>2008-01-25 11:07:49 +0300
commit8cbc4342478311c2a85260a7ca54d96cb7f71f7b (patch)
tree23a8ab6a4a2c154274d01cfe0e69715cd7ad4d86 /fs/gfs2
parentc7227e46423a57b4df27a2d75b5869bd3ae654d0 (diff)
downloadlinux-8cbc4342478311c2a85260a7ca54d96cb7f71f7b.tar.xz
[GFS2] check kthread_should_stop when waiting
Use wait_event_interruptible() in the lock_dlm thread instead of an open coded equivalent, and include a kthread_should_stop() check in the wait test so we don't miss a kthread_stop(). Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/locking/dlm/thread.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/fs/gfs2/locking/dlm/thread.c b/fs/gfs2/locking/dlm/thread.c
index bd938f06481d..521694fc19d6 100644
--- a/fs/gfs2/locking/dlm/thread.c
+++ b/fs/gfs2/locking/dlm/thread.c
@@ -273,18 +273,13 @@ static int gdlm_thread(void *data, int blist)
struct gdlm_ls *ls = (struct gdlm_ls *) data;
struct gdlm_lock *lp = NULL;
uint8_t complete, blocking, submit, drop;
- DECLARE_WAITQUEUE(wait, current);
/* Only thread1 is allowed to do blocking callbacks since gfs
may wait for a completion callback within a blocking cb. */
while (!kthread_should_stop()) {
- set_current_state(TASK_INTERRUPTIBLE);
- add_wait_queue(&ls->thread_wait, &wait);
- if (no_work(ls, blist))
- schedule();
- remove_wait_queue(&ls->thread_wait, &wait);
- set_current_state(TASK_RUNNING);
+ wait_event_interruptible(ls->thread_wait,
+ !no_work(ls, blist) || kthread_should_stop());
complete = blocking = submit = drop = 0;