| commit | adcc44472bacb227ebc0b1a8876efa5302474338 | [log] [tgz] |
|---|---|---|
| author | Heinz Mauelshagen <heinzm@redhat.com> | Thu Jun 05 15:23:09 2014 +0100 |
| committer | Mike Snitzer <snitzer@redhat.com> | Wed Jun 11 16:48:54 2014 -0400 |
| tree | 594f3024476830cb98887266b282307cc960dd3d | |
| parent | 11f0431be2f99c574a65c6dfc0ca205511500f29 [diff] |
dm bio prison: implement per bucket locking in the dm_bio_prison hash table Split the single per bio-prison lock by using per bucket locking. Per bucket locking benefits both dm-thin and dm-cache targets by reducing bio-prison lock contention. Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>