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| author |  Hongyu Jin <hongyu.jin@unisoc.com>
| 2024-01-30 15:26:34 -0500 |
|---|---|---|
| committer |  Jens Axboe <axboe@kernel.dk>
| 2024-02-01 11:00:06 -0700 |
| commit | f3c89983cb4fc00be64eb0d5cbcfcdf2cacb965e (patch) | |
| tree | 8d3bcaf780005f6f835d9fec2282c31c9f6af28a /mm/page-writeback.c | |
| parent | Merge tag 'nvme-6.8-2024-02-01' of git://git.infradead.org/nvme into block-6.8 (diff) | |
| download | linux-f3c89983cb4fc00be64eb0d5cbcfcdf2cacb965e.tar.gz linux-f3c89983cb4fc00be64eb0d5cbcfcdf2cacb965e.tar.bz2 linux-f3c89983cb4fc00be64eb0d5cbcfcdf2cacb965e.zip | |
block: Fix where bio IO priority gets set
Commit 82b74cac2849 ("blk-ioprio: Convert from rqos policy to direct
call") pushed setting bio I/O priority down into blk_mq_submit_bio()
-- which is too low within block core's submit_bio() because it
skips setting I/O priority for block drivers that implement
fops->submit_bio() (e.g. DM, MD, etc).
Fix this by moving bio_set_ioprio() up from blk-mq.c to blk-core.c and
call it from submit_bio(). This ensures all block drivers call
bio_set_ioprio() during initial bio submission.
Fixes: a78418e6a04c ("block: Always initialize bio IO priority on submit")
Co-developed-by: Yibin Ding <yibin.ding@unisoc.com>
Signed-off-by: Yibin Ding <yibin.ding@unisoc.com>
Signed-off-by: Hongyu Jin <hongyu.jin@unisoc.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Mikulas Patocka <mpatocka@redhat.com>
[snitzer: revised commit header]
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20240130202638.62600-2-snitzer@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'mm/page-writeback.c')
0 files changed, 0 insertions, 0 deletions