dm cache policy: fix description of lookup fn
authorAlasdair G Kergon <agk@redhat.com>
Fri, 10 May 2013 13:37:17 +0000 (14:37 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Fri, 10 May 2013 13:37:17 +0000 (14:37 +0100)
commite12c1fd9d680f6b1181ae13efefc416743bd80e5
treebb86784049268de6af9c153bd23a3bf83c74f091
parent058ce5ca8155a4c8eeac9b9e8a70e6664996337b
dm cache policy: fix description of lookup fn

Correct the documented requirement on the return code from dm cache policy
lookup functions stated in the policy module header file.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm-cache-policy.h