diff options
| author | Mike Snitzer <snitzer@kernel.org> | 2022-03-25 20:53:23 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@kernel.org> | 2022-05-06 00:31:33 +0300 |
| commit | 4857abf66434d96dec1a9209bbfbf55e2ee359fa (patch) | |
| tree | c3ee628076b4ec18730cd2e9fd73474357decfed /drivers/md | |
| parent | 84b98f4ce4d1d1f811d3e0658ec76c0349d8023a (diff) | |
| download | linux-4857abf66434d96dec1a9209bbfbf55e2ee359fa.tar.xz | |
dm: simplify dm_io access in dm_split_and_process_bio
Use local variable instead of redudant access using ci.io
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 82c1636f8591..71357592646a 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1565,10 +1565,12 @@ static void dm_split_and_process_bio(struct mapped_device *md, struct dm_table *map, struct bio *bio) { struct clone_info ci; + struct dm_io *io; struct bio *orig_bio = NULL; blk_status_t error = BLK_STS_OK; init_clone_info(&ci, md, map, bio); + io = ci.io; if (bio->bi_opf & REQ_PREFLUSH) { __send_empty_flush(&ci); @@ -1577,14 +1579,14 @@ static void dm_split_and_process_bio(struct mapped_device *md, } error = __split_and_process_bio(&ci); - ci.io->map_task = NULL; + io->map_task = NULL; if (error || !ci.sector_count) goto out; /* * Remainder must be passed to submit_bio_noacct() so it gets handled * *after* bios already submitted have been completely processed. - * We take a clone of the original to store in ci.io->orig_bio to be + * We take a clone of the original to store in io->orig_bio to be * used by dm_end_io_acct() and for dm_io_complete() to use for * completion handling. */ @@ -1596,9 +1598,9 @@ static void dm_split_and_process_bio(struct mapped_device *md, out: if (!orig_bio) orig_bio = bio; - smp_store_release(&ci.io->orig_bio, orig_bio); - if (dm_io_flagged(ci.io, DM_IO_START_ACCT)) - dm_start_io_acct(ci.io, NULL); + smp_store_release(&io->orig_bio, orig_bio); + if (dm_io_flagged(io, DM_IO_START_ACCT)) + dm_start_io_acct(io, NULL); /* * Drop the extra reference count for non-POLLED bio, and hold one @@ -1610,7 +1612,7 @@ out: if (error || !ci.submit_as_polled) dm_io_dec_pending(ci.io, error); else - dm_queue_poll_io(bio, ci.io); + dm_queue_poll_io(bio, io); } static void dm_submit_bio(struct bio *bio) |