On Fri, Apr 27, 2018 at 04:22:07PM +0800, Gu Jinxiang wrote:
> 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,
On 27.04.2018 11:22, Gu Jinxiang wrote:
> 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