aboutsummaryrefslogtreecommitdiff
path: root/drivers/block/drbd/drbd_main.c
diff options
context:
space:
mode:
authorLars Ellenberg <lars.ellenberg@linbit.com>2012-07-30 09:00:54 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2012-11-09 14:05:44 +0100
commit81a3537a9730116dfaafeed728f2d460c872c0d5 (patch)
tree44d6e0672f13830aa4a468818a0c2ce425a1cfac /drivers/block/drbd/drbd_main.c
parent58ffa580a748dd16b1e5ab260bea39cdbd1e94ef (diff)
downloadlinux-81a3537a9730116dfaafeed728f2d460c872c0d5.tar.gz
drbd: announce FLUSH/FUA capability to upper layers
In 8.4, we may have bios spanning two activity log extents. Fixup drbd_al_begin_io() and drbd_al_complete_io() to deal with zero sized bios. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
-rw-r--r--drivers/block/drbd/drbd_main.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index f2af74d0686..85d95ec405e 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2640,6 +2640,7 @@ enum drbd_ret_code conn_new_minor(struct drbd_tconn *tconn, unsigned int minor,
q->backing_dev_info.congested_data = mdev;
blk_queue_make_request(q, drbd_make_request);
+ blk_queue_flush(q, REQ_FLUSH | REQ_FUA);
/* Setting the max_hw_sectors to an odd value of 8kibyte here
This triggers a max_bio_size message upon first attach or connect */
blk_queue_max_hw_sectors(q, DRBD_MAX_BIO_SIZE_SAFE >> 8);