commit | f1daa838e861ae1a0fb7cd9721a21258430fcc8c | [log] [tgz] |
---|---|---|
author | Heinz Mauelshagen <heinzm@redhat.com> | Fri May 23 14:10:01 2014 -0400 |
committer | Mike Snitzer <snitzer@redhat.com> | Tue May 27 10:33:05 2014 -0400 |
tree | ca5bce66ef7377d04b296dc864c434b45c1c8d4d | |
parent | 80c578930ce77ba8bcfb226a184b482020bdda7b [diff] |
dm cache: always split discards on cache block boundaries The DM cache target cannot cope with discards that span multiple cache blocks, so each discard bio that spans more than one cache block must get split by the DM core. Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Acked-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org # v3.9+