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[v4,4/7] btrfs: REQ_PREFLUSH does not use btrfs_end_bio() completion callback

Message ID 20170406032253.14631-5-anand.jain@oracle.com (mailing list archive)
State New, archived
Headers show

Commit Message

Anand Jain April 6, 2017, 3:22 a.m. UTC
REQ_PREFLUSH bio to flush dev cache uses btrfs_end_empty_barrier()
completion callback only, as of now, and there it accounts for dev
stat flush errors BTRFS_DEV_STAT_FLUSH_ERRS, so remove it from the
btrfs_end_bio().

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
v2-3: no change
v4: no change, but now the patch number is 4/7 in the set.

 fs/btrfs/volumes.c | 3 ---
 1 file changed, 3 deletions(-)
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Patch

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 73d56eef5e60..1563ae03079b 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6010,9 +6010,6 @@  static void btrfs_end_bio(struct bio *bio)
 				else
 					btrfs_dev_stat_inc(dev,
 						BTRFS_DEV_STAT_READ_ERRS);
-				if (bio->bi_opf & REQ_PREFLUSH)
-					btrfs_dev_stat_inc(dev,
-						BTRFS_DEV_STAT_FLUSH_ERRS);
 				btrfs_dev_stat_print_on_error(dev);
 			}
 		}