diff options
| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-04-21 12:52:36 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-04-21 12:52:36 -0400 |
| commit | a748422ee45725e04e1d3792fa19dfa90ddfd116 (patch) | |
| tree | 978e12895468baaa9f7ab2747b9f7d50beaf1717 /block/as-iosched.c | |
| parent | c63e31c2cc1ec67372920b5e1aff8204d04dd172 (diff) | |
| parent | f4ffaa452e71495a06376f12f772342bc57051fc (diff) | |
| download | op-kernel-dev-a748422ee45725e04e1d3792fa19dfa90ddfd116.zip op-kernel-dev-a748422ee45725e04e1d3792fa19dfa90ddfd116.tar.gz | |
Merge branch 'master'
Diffstat (limited to 'block/as-iosched.c')
| -rw-r--r-- | block/as-iosched.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/as-iosched.c b/block/as-iosched.c index 296708c..e25a5d7 100644 --- a/block/as-iosched.c +++ b/block/as-iosched.c @@ -1844,9 +1844,10 @@ static void __exit as_exit(void) DECLARE_COMPLETION(all_gone); elv_unregister(&iosched_as); ioc_gone = &all_gone; - barrier(); + /* ioc_gone's update must be visible before reading ioc_count */ + smp_wmb(); if (atomic_read(&ioc_count)) - complete(ioc_gone); + wait_for_completion(ioc_gone); synchronize_rcu(); kmem_cache_destroy(arq_pool); } |
