commit 4e857c58efeb99393cba5a5d0d8ec7117183137c
author Peter Zijlstra <peterz@infradead.org> Mon Mar 17 18:06:10 2014 +0100
committer Ingo Molnar <mingo@kernel.org> Fri Apr 18 14:20:48 2014 +0200
tree 3f6fd464e4fddb2fe90374c075c9d06603cf8bbc
parent 1b15611e1c30b37abe393d411c316cd659920bf5

arch: Mass conversion of smp_mb__*()

Mostly scripted conversion of the smp_mb__* barriers.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-55dhyhocezdw1dg7u19hmh1u@git.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

drivers/md/bcache/bcache.h

diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index 82c9c5d..d2ebcf3 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -828,7 +828,7 @@
 		return false;
 
 	/* Paired with the mb in cached_dev_attach */
-	smp_mb__after_atomic_inc();
+	smp_mb__after_atomic();
 	return true;
 }
 

drivers/md/bcache/closure.h

diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h
index 7ef7461..a08e3ee 100644
--- a/drivers/md/bcache/closure.h
+++ b/drivers/md/bcache/closure.h
@@ -243,7 +243,7 @@
 	cl->fn = fn;
 	cl->wq = wq;
 	/* between atomic_dec() in closure_put() */
-	smp_mb__before_atomic_dec();
+	smp_mb__before_atomic();
 }
 
 static inline void closure_queue(struct closure *cl)

drivers/md/dm-bufio.c

diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 66c5d13..4e84095 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -607,9 +607,9 @@
 
 	BUG_ON(!test_bit(B_WRITING, &b->state));
 
-	smp_mb__before_clear_bit();
+	smp_mb__before_atomic();
 	clear_bit(B_WRITING, &b->state);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 
 	wake_up_bit(&b->state, B_WRITING);
 }
@@ -997,9 +997,9 @@
 
 	BUG_ON(!test_bit(B_READING, &b->state));
 
-	smp_mb__before_clear_bit();
+	smp_mb__before_atomic();
 	clear_bit(B_READING, &b->state);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 
 	wake_up_bit(&b->state, B_READING);
 }

drivers/md/dm-snap.c

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index ebddef5..8e0caed 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -642,7 +642,7 @@
 	struct dm_snapshot *s = pe->snap;
 
 	mempool_free(pe, s->pending_pool);
-	smp_mb__before_atomic_dec();
+	smp_mb__before_atomic();
 	atomic_dec(&s->pending_exceptions_count);
 }
 
@@ -783,7 +783,7 @@
 static void merge_shutdown(struct dm_snapshot *s)
 {
 	clear_bit_unlock(RUNNING_MERGE, &s->state_bits);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	wake_up_bit(&s->state_bits, RUNNING_MERGE);
 }
 

drivers/md/dm.c

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 455e649..2db768e 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2447,7 +2447,7 @@
 static void dm_queue_flush(struct mapped_device *md)
 {
 	clear_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	queue_work(md->wq, &md->work);
 }
 

drivers/md/raid5.c

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index ad1b9be..2afef4e 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4400,7 +4400,7 @@
 			 * STRIPE_ON_UNPLUG_LIST clear but the stripe
 			 * is still in our list
 			 */
-			smp_mb__before_clear_bit();
+			smp_mb__before_atomic();
 			clear_bit(STRIPE_ON_UNPLUG_LIST, &sh->state);
 			/*
 			 * STRIPE_ON_RELEASE_LIST could be set here. In that