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arch: Mass conversion of smp_mb__*()

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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>
This commit is contained in:
Peter Zijlstra
2014-03-17 18:06:10 +01:00
committed by Ingo Molnar
parent 1b15611e1c
commit 4e857c58ef
106 changed files with 284 additions and 288 deletions
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6
fs/btrfs/inode.c
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@@ -7126,7 +7126,7 @@ static void btrfs_end_dio_bio(struct bio *bio, int err)
* before atomic variable goto zero, we must make sure
* dip->errors is perceived to be set.
*/
smp_mb__before_atomic_dec();
smp_mb__before_atomic();
}
/* if there are more bios still pending for this dio, just exit */
@@ -7306,7 +7306,7 @@ out_err:
* before atomic variable goto zero, we must
* make sure dip->errors is perceived to be set.
*/
smp_mb__before_atomic_dec();
smp_mb__before_atomic();
if (atomic_dec_and_test(&dip->pending_bios))
bio_io_error(dip->orig_bio);
@@ -7449,7 +7449,7 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
return 0;
atomic_inc(&inode->i_dio_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
/*
* The generic stuff only does filemap_write_and_wait_range, which