The patch titled
Kcopyd: use mutex instead of semaphore
has been removed from the -mm tree. Its filename was
kcopyd-use-mutex-instead-of-semaphore.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: Kcopyd: use mutex instead of semaphore
From: Matthias Kaehlcke <matthias.kaehlcke@xxxxxxxxx>
Kcopyd uses a semaphore as mutex. Use the mutex API instead of the (binary)
semaphore,
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@xxxxxxxxx>
Acked-by: Alasdair G Kergon <agk@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/md/kcopyd.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff -puN drivers/md/kcopyd.c~kcopyd-use-mutex-instead-of-semaphore drivers/md/kcopyd.c
--- a/drivers/md/kcopyd.c~kcopyd-use-mutex-instead-of-semaphore
+++ a/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_er
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_er
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
dispatch_job(job);
else {
- init_MUTEX(&job->lock);
+ mutex_init(&job->lock);
job->progress = 0;
split_job(job);
}
_
Patches currently in -mm which might be from matthias.kaehlcke@xxxxxxxxx are
git-dvb.patch
git-mtd.patch
git-netdev-all.patch
use-mutex-instead-of-semaphore-in-the-onstream-scsi-tape-driver.patch
use-mutex-instead-of-semaphore-in-isdn-subsystem-common-functions.patch
fs-file_tablec-use-list_for_each_entry-instead-of-list_for_each.patch
fs-eventpollc-use-list_for_each_entry-instead-of-list_for_each.patch
fs-superc-use-list_for_each_entry-instead-of-list_for_each.patch
fs-superc-use-list_for_each_entry-instead-of-list_for_each-fix.patch
fs-locksc-use-list_for_each_entry-instead-of-list_for_each.patch
kernel-exitc-use-list_for_each_entry_safe-instead-of-list_for_each_safe.patch
kernel-time-clocksourcec-use-list_for_each_entry-instead-of-list_for_each.patch
mm-oom_killc-use-list_for_each_entry-instead-of-list_for_each.patch
kernel-userc-use-list_for_each_entry-instead-of-list_for_each.patch
-
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