From db34be19c4f0f5512a4adf63713e4f5494618ead Mon Sep 17 00:00:00 2001 From: Liu Bo Date: Mon, 4 Dec 2017 15:40:35 -0700 Subject: [PATCH] Btrfs: remove redundant check in rbio_can_merge Given the above ' if (last->operation != cur->operation) return 0; ', it's guaranteed that two operations are same. Signed-off-by: Liu Bo Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/raid56.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index a1dfdd3..945e940 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -594,12 +594,10 @@ static int rbio_can_merge(struct btrfs_raid_bio *last, * bio list here, anyone else that wants to * change this stripe needs to do their own rmw. */ - if (last->operation == BTRFS_RBIO_PARITY_SCRUB || - cur->operation == BTRFS_RBIO_PARITY_SCRUB) + if (last->operation == BTRFS_RBIO_PARITY_SCRUB) return 0; - if (last->operation == BTRFS_RBIO_REBUILD_MISSING || - cur->operation == BTRFS_RBIO_REBUILD_MISSING) + if (last->operation == BTRFS_RBIO_REBUILD_MISSING) return 0; return 1; -- 2.7.4