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| author | Hongyu Jin <hongyu.jin@unisoc.com> | 2024-01-24 13:35:53 +0800 |
|---|---|---|
| committer | Mike Snitzer <snitzer@kernel.org> | 2024-02-20 14:22:51 -0500 |
| commit | 6e5f0f6383b4896c7e9b943d84b136149d0f45e9 (patch) | |
| tree | ee5c1e1e85fc629ee12a66128feb702621471b1b /drivers/md/dm-bufio.c | |
| parent | b9d3ac48a855ed295ce660f73d3b6ba6f91fae42 (diff) | |
| download | lwn-6e5f0f6383b4896c7e9b943d84b136149d0f45e9.tar.gz lwn-6e5f0f6383b4896c7e9b943d84b136149d0f45e9.zip | |
dm io: Support IO priority
Some IO will dispatch from kworker with different io_context settings
than the submitting task, we may need to specify a priority to avoid
losing priority.
Add IO priority parameter to dm_io() and update all callers.
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>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'drivers/md/dm-bufio.c')
| -rw-r--r-- | drivers/md/dm-bufio.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 13c65b7e1ed6..f5541b8f6320 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1315,7 +1315,7 @@ static void use_dmio(struct dm_buffer *b, enum req_op op, sector_t sector, io_req.mem.ptr.vma = (char *)b->data + offset; } - r = dm_io(&io_req, 1, ®ion, NULL); + r = dm_io(&io_req, 1, ®ion, NULL, IOPRIO_DEFAULT); if (unlikely(r)) b->end_io(b, errno_to_blk_status(r)); } @@ -2167,7 +2167,7 @@ int dm_bufio_issue_flush(struct dm_bufio_client *c) if (WARN_ON_ONCE(dm_bufio_in_request())) return -EINVAL; - return dm_io(&io_req, 1, &io_reg, NULL); + return dm_io(&io_req, 1, &io_reg, NULL, IOPRIO_DEFAULT); } EXPORT_SYMBOL_GPL(dm_bufio_issue_flush); @@ -2191,7 +2191,7 @@ int dm_bufio_issue_discard(struct dm_bufio_client *c, sector_t block, sector_t c if (WARN_ON_ONCE(dm_bufio_in_request())) return -EINVAL; /* discards are optional */ - return dm_io(&io_req, 1, &io_reg, NULL); + return dm_io(&io_req, 1, &io_reg, NULL, IOPRIO_DEFAULT); } EXPORT_SYMBOL_GPL(dm_bufio_issue_discard); |