From 6de65650758e819d3dfdc621010dcd6117e8d186 Mon Sep 17 00:00:00 2001 From: Zhao Lei Date: Thu, 13 Nov 2014 11:45:40 +0800 Subject: [PATCH] Btrfs: remove unnecessary code of stripe_index assignment in __btrfs_map_block stripe_index's value was set again in latter line: stripe_index = 0; Signed-off-by: Zhao Lei Signed-off-by: Miao Xie Reviewed-by: David Sterba --- fs/btrfs/volumes.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 20160aa44655..6f5b302a08cf 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -5166,9 +5166,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, /* push stripe_nr back to the start of the full stripe */ stripe_nr = raid56_full_stripe_start; - do_div(stripe_nr, stripe_len); - - stripe_index = do_div(stripe_nr, nr_data_stripes(map)); + do_div(stripe_nr, stripe_len * nr_data_stripes(map)); /* RAID[56] write or recovery. Return all stripes */ num_stripes = map->num_stripes; -- 2.20.1