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| author | Gu Jinxiang <gujx@cn.fujitsu.com> | 2018-04-27 16:22:07 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-05-28 18:07:28 +0200 |
| commit | 0338dff6e0d91af053ef5d350d7388df666ae78e (patch) | |
| tree | 6c25dba30676482bac12647e1cca2060604f199a /fs/btrfs/dev-replace.c | |
| parent | btrfs: trace: Add trace points for unused block groups (diff) | |
| download | linux-0338dff6e0d91af053ef5d350d7388df666ae78e.tar.gz linux-0338dff6e0d91af053ef5d350d7388df666ae78e.zip | |
btrfs: do reverse path readahead in btrfs_shrink_device
In btrfs_shrink_device, before btrfs_search_slot, path->reada is set to
READA_FORWARD. But I think READA_BACK is correct.
Since:
1. key.offset is set to (u64)-1
2. after btrfs_search_slot, btrfs_previous_item is called
So, for readahead previous items, READA_BACK is the correct one.
Signed-off-by: Gu Jinxiang <gujx@cn.fujitsu.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/dev-replace.c')
0 files changed, 0 insertions, 0 deletions