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drbd: set QUEUE_FLAG_STABLE_WRITES

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[ Upstream commit 286901941f ]

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>
This commit is contained in:
Christoph Böhmwalder
2022-04-06 21:04:45 +02:00
committed by Greg Kroah-Hartman
parent 6a03581ccf
commit 184b4fad08
1 changed files with 1 additions and 0 deletions
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drivers/block/drbd/drbd_main.c
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@@ -2737,6 +2737,7 @@ 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 */