Commit 6de65650 authored by Zhao Lei's avatar Zhao Lei Committed by Miao Xie
Browse files

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: default avatarZhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.cz>
parent f90523d1

fs/btrfs/volumes.c

+1 −3
Original line number Diff line number Diff line
@@ -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;