tree ae61efff6a459990b2999652cdf4533ff393060f
parent 1cdc3239f1bb8c8f18954defe3cb813edc9df4a0
author Peter Lieven <pl@kamp.de> 1422888514 +0100
committer Kevin Wolf <kwolf@redhat.com> 1423239861 +0100

block: change default for discard and write zeroes to INT_MAX

do not trim requests if the driver does not supply a limit
through BlockLimits. For write zeroes we still keep a limit
for the unsupported path to avoid allocating a big bounce buffer.

Suggested-by: Kevin Wolf <kwolf@redhat.com>
Suggested-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>