QUEUE_STANDBY_EN flag made the used bits more than 31 so it is now required that queue_flags is a 64 bits. Add compile time check to ensure it is.
https://jira.sw.ru/browse/PSBM-144163 Signed-off-by: Alexander Atanasov <alexander.atana...@virtuozzo.com> --- drivers/md/dm-ploop-target.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/md/dm-ploop-target.c b/drivers/md/dm-ploop-target.c index 35aa5960fe89..97b1830d9b10 100644 --- a/drivers/md/dm-ploop-target.c +++ b/drivers/md/dm-ploop-target.c @@ -407,6 +407,10 @@ static int ploop_ctr(struct dm_target *ti, unsigned int argc, char **argv) ti->private = ploop; ploop->ti = ti; + BUILD_BUG_ON_MSG( + sizeof(ploop_blk_queue(ploop)->queue_flags) * 8 < BITS_PER_LONG + || BITS_PER_LONG < 64, + "queue_flags require 64 bit storage variable"); /* * static branch and standby_en bit act as two fuses. * we only touch standby bit if both are set. -- 2.31.1 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
