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| author | Matthias Kaehlcke <matthias.kaehlcke@gmail.com> | 2007-10-19 23:38:52 +0200 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2007-10-20 03:01:08 +0200 |
| commit | def5b5b26e6d97820465fadcb7d1cb73cc4daf33 (patch) | |
| tree | ee9649cc571503da040ba1582688e16e52de4483 | |
| parent | dm: use kzalloc (diff) | |
| download | linux-def5b5b26e6d97820465fadcb7d1cb73cc4daf33.tar.xz linux-def5b5b26e6d97820465fadcb7d1cb73cc4daf33.zip | |
kcopyd use mutex instead of semaphore
Kcopyd uses a semaphore as mutex. Use the mutex API instead of the (binary)
semaphore,
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | drivers/md/kcopyd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/md/kcopyd.c b/drivers/md/kcopyd.c index 7e052378c47e..f3831f31223e 100644 --- a/drivers/md/kcopyd.c +++ b/drivers/md/kcopyd.c @@ -198,7 +198,7 @@ struct kcopyd_job { * These fields are only used if the job has been split * into more manageable parts. */ - struct semaphore lock; + struct mutex lock; atomic_t sub_jobs; sector_t progress; }; @@ -456,7 +456,7 @@ static void segment_complete(int read_err, sector_t count = 0; struct kcopyd_job *job = (struct kcopyd_job *) context; - down(&job->lock); + mutex_lock(&job->lock); /* update the error */ if (read_err) @@ -480,7 +480,7 @@ static void segment_complete(int read_err, job->progress += count; } } - up(&job->lock); + mutex_unlock(&job->lock); if (count) { int i; @@ -562,7 +562,7 @@ int kcopyd_copy(struct kcopyd_client *kc, struct io_region *from, dispatch_job(job); else { - init_MUTEX(&job->lock); + mutex_init(&job->lock); job->progress = 0; split_job(job); } |