diff options
| author | Miao Xie <miaox@cn.fujitsu.com> | 2014-06-17 14:58:59 +0400 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2014-08-19 19:36:24 +0400 |
| commit | 7a5c3c9be1059feed0e470c6dc0994dcaed4f12c (patch) | |
| tree | 4db44a245a5dfdd21c84d31f7b8dfaace72ef34e | |
| parent | 8d875f95da43c6a8f18f77869f2ef26e9594fecc (diff) | |
| download | linux-7a5c3c9be1059feed0e470c6dc0994dcaed4f12c.tar.xz | |
Btrfs: fix put dio bio twice when we submit dio bio fail
The caller of btrfs_submit_direct_hook() will put the original dio bio
when btrfs_submit_direct_hook() return a error number, so we needn't
put the original bio in btrfs_submit_direct_hook().
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
| -rw-r--r-- | fs/btrfs/inode.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 73098328d040..33c05188cbf0 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7306,10 +7306,8 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, map_length = orig_bio->bi_iter.bi_size; ret = btrfs_map_block(root->fs_info, rw, start_sector << 9, &map_length, NULL, 0); - if (ret) { - bio_put(orig_bio); + if (ret) return -EIO; - } if (map_length >= orig_bio->bi_iter.bi_size) { bio = orig_bio; @@ -7326,6 +7324,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, bio = btrfs_dio_bio_alloc(orig_bio->bi_bdev, start_sector, GFP_NOFS); if (!bio) return -ENOMEM; + bio->bi_private = dip; bio->bi_end_io = btrfs_end_dio_bio; atomic_inc(&dip->pending_bios); |