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authorMatthias Kaehlcke <matthias.kaehlcke@gmail.com>2007-10-19 22:38:52 +0100
committerAlasdair G Kergon <agk@redhat.com>2007-10-20 02:01:08 +0100
commitdef5b5b26e6d97820465fadcb7d1cb73cc4daf33 (patch)
treeee9649cc571503da040ba1582688e16e52de4483
parent094262db9e4c615e0db7a7b924d244b7a6c186b0 (diff)
downloadop-kernel-dev-def5b5b26e6d97820465fadcb7d1cb73cc4daf33.zip
op-kernel-dev-def5b5b26e6d97820465fadcb7d1cb73cc4daf33.tar.gz
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.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/md/kcopyd.c b/drivers/md/kcopyd.c
index 7e05237..f3831f3 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);
}
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