[PATCH 5.17 166/219] drbd: set QUEUE_FLAG_STABLE_WRITES

Greg Kroah-Hartman
2022-04-18T12:33:24Z

From: Christoph Böhmwalder <christoph@boehmwalder.at>

[ Upstream commit 286901941fd18a52b2138fddbbf589ad3639eb00 ]

We want our pages not to change while they are being written.

Signed-off-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/block/drbd/drbd_main.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 5d5beeba3ed4..478ba959362c 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2739,6 +2739,7 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
sprintf(disk->disk_name, "drbd%d", minor);
disk->private_data = device;

+ blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, disk->queue);
blk_queue_write_cache(disk->queue, true, true);
/* Setting the max_hw_sectors to an odd value of 8kibyte here
This triggers a max_bio_size message upon first attach or connect */
--
2.35.1