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| author | Zhao Lei <zhaolei@cn.fujitsu.com> | 2016-01-12 14:58:39 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-02-18 10:27:23 +0100 |
| commit | 895a11b868347ca8e287f152f7816862ad4b179d (patch) | |
| tree | 345c84adb239a05cb0477c618a36617d34efa2d9 /net | |
| parent | 8afd6841e13f8bbdf543c576bc1b919d331003ea (diff) | |
| download | op-kernel-dev-895a11b868347ca8e287f152f7816862ad4b179d.zip op-kernel-dev-895a11b868347ca8e287f152f7816862ad4b179d.tar.gz | |
btrfs: reada: simplify dev->reada_in_flight processing
No need to decrease dev->reada_in_flight in __readahead_hook()'s
internal and reada_extent_put().
reada_extent_put() have no chance to decrease dev->reada_in_flight
in free operation, because reada_extent have additional refcnt when
scheduled to a dev.
We can put inc and dec operation for dev->reada_in_flight to one
place instead to make logic simple and safe, and move useless
reada_extent->scheduled_for to a bool flag instead.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'net')
0 files changed, 0 insertions, 0 deletions
