A few dm-thinp fixes for changes merged in 3.15-rc1.

A dm-verity fix for an immutable biovec regression that affects 3.14+.

A dm-cache fix to properly quiesce when using writethrough mode (3.14+).
dm cache: fix writethrough mode quiescing in cache_map

Commit 2ee57d58735 ("dm cache: add passthrough mode") inadvertently
removed the deferred set reference that was taken in cache_map()'s
writethrough mode support.  Restore taking this reference.

This issue was found with code inspection.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Cc: stable@vger.kernel.org # 3.13+
1 file changed