From 5f274d886598c9fd26d2499bf3f68306f170e9db Mon Sep 17 00:00:00 2001 From: Joe Thornber Date: Wed, 17 Sep 2014 10:17:39 +0100 Subject: [PATCH] dm bio prison: introduce support for locking ranges of blocks Ranges will be placed in the same cell if they overlap. Range locking is a prerequisite for more efficient multi-block discard support in both the cache and thin-provisioning targets. Signed-off-by: Joe Thornber Signed-off-by: Mike Snitzer --- Reading git-format-patch failed