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dm: simplify basic targets

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Remove needless factoring and remap bi_sector regardless of
bio_sectors() being non-zero.

Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Mike Snitzer 2022-03-30 13:52:10 -04:00
parent 442761fd2b
commit e86f2b005a
3 changed files with 4 additions and 14 deletions
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3
drivers/md/dm-delay.c
View File

@ -296,8 +296,7 @@ static int delay_map(struct dm_target *ti, struct bio *bio)
}
delayed->class = c;
bio_set_dev(bio, c->dev->bdev);
if (bio_sectors(bio))
bio->bi_iter.bi_sector = c->start + dm_target_offset(ti, bio->bi_iter.bi_sector);
bio->bi_iter.bi_sector = c->start + dm_target_offset(ti, bio->bi_iter.bi_sector);
return delay_bio(dc, c, bio);
}

4
drivers/md/dm-flakey.c
View File

@ -280,9 +280,7 @@ static void flakey_map_bio(struct dm_target *ti, struct bio *bio)
struct flakey_c *fc = ti->private;
bio_set_dev(bio, fc->dev->bdev);
if (bio_sectors(bio) || op_is_zone_mgmt(bio_op(bio)))
bio->bi_iter.bi_sector =
flakey_map_sector(ti, bio->bi_iter.bi_sector);
bio->bi_iter.bi_sector = flakey_map_sector(ti, bio->bi_iter.bi_sector);
}
static void corrupt_bio_data(struct bio *bio, struct flakey_c *fc)

11
drivers/md/dm-linear.c
View File

@ -84,19 +84,12 @@ static sector_t linear_map_sector(struct dm_target *ti, sector_t bi_sector)
return lc->start + dm_target_offset(ti, bi_sector);
}
static void linear_map_bio(struct dm_target *ti, struct bio *bio)
static int linear_map(struct dm_target *ti, struct bio *bio)
{
struct linear_c *lc = ti->private;
bio_set_dev(bio, lc->dev->bdev);
if (bio_sectors(bio) || op_is_zone_mgmt(bio_op(bio)))
bio->bi_iter.bi_sector =
linear_map_sector(ti, bio->bi_iter.bi_sector);
}
static int linear_map(struct dm_target *ti, struct bio *bio)
{
linear_map_bio(ti, bio);
bio->bi_iter.bi_sector = linear_map_sector(ti, bio->bi_iter.bi_sector);
return DM_MAPIO_REMAPPED;
}