Messages in this thread Patch in this message | | | Date | Fri, 27 Apr 2007 10:45:37 +0200 | From | Matthias Kaehlcke <> | Subject | [PATCH 2/5] Kcopyd: use mutex instead of semaphore |
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Kcopyd uses a semaphore as mutex. use the mutex API instead of the (binary) semaphore
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
-- diff --git a/drivers/md/kcopyd.c b/drivers/md/kcopyd.c index b46f6c5..340272a 100644 --- a/drivers/md/kcopyd.c +++ b/drivers/md/kcopyd.c @@ -195,7 +195,7 @@ 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; }; @@ -452,7 +452,7 @@ 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) @@ -476,7 +476,7 @@ static void segment_complete(int read_err, job->progress += count; } } - up(&job->lock); + mutex_unlock(&job->lock); if (count) { int i; @@ -558,7 +558,7 @@ 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); } -- Matthias Kaehlcke Linux Application Developer Barcelona
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