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Btrfs: remove noused bbio_ret in __btrfs_map_block in condition

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bbio_ret in this condition is always !NULL because previous code
already have a check-and-skip:
4908 if (!bbio_ret)
4909     goto out;

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>
This commit is contained in:
Zhao Lei 2014-11-13 11:45:39 +08:00 committed by Miao Xie
parent 5d01410fe4
commit f90523d1aa
1 changed files with 1 additions and 2 deletions
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3
fs/btrfs/volumes.c
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@ -5161,8 +5161,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
BTRFS_BLOCK_GROUP_RAID6)) {
u64 tmp;
if (bbio_ret && ((rw & REQ_WRITE) || mirror_num > 1)
&& raid_map_ret) {
if (raid_map_ret && ((rw & REQ_WRITE) || mirror_num > 1)) {
int i, rot;
/* push stripe_nr back to the start of the full stripe */