tree aaa53c2f74e98baec8af07194ffa6005df095b0e
parent 9efdca16e0182eca489a519f576019fd9c0c1b25
author Shaohua Li <shli@fb.com> 1444366446 -0700
committer NeilBrown <neilb@suse.com> 1446346109 +1100

raid5-cache: add trim support for log

Since superblock is updated infrequently, we do a simple trim of log
disk (a synchronous trim)

Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>