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authorZhao Lei <zhaolei@cn.fujitsu.com>2014-11-13 03:45:40 (GMT)
committerMiao Xie <miaox@cn.fujitsu.com>2014-12-03 02:18:44 (GMT)
commit6de65650758e819d3dfdc621010dcd6117e8d186 (patch)
tree6d85abc1dd1c03d8b794c93fc0660624b811165d /fs/btrfs/volumes.c
parentf90523d1aa3c414031094ff2284d47791f0c0a05 (diff)
downloadlinux-6de65650758e819d3dfdc621010dcd6117e8d186.tar.xz
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 <zhaolei@cn.fujitsu.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Reviewed-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r--fs/btrfs/volumes.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 20160aa..6f5b302 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;