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dm dust: change ret to r in dust_map_read and dust_map 

In the dust_map_read() and dust_map() functions, change the
return code variable "ret" to "r", to match the convention of the
other device-mapper targets.

Signed-off-by: Bryan Gurney <bgurney@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Bryan Gurney 2019-10-04 11:42:09 -04:00 committed by Mike Snitzer
parent 6ec1be5015
commit cc7a7fb3b6
1 changed files with 7 additions and 7 deletions
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14
drivers/md/dm-dust.c
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@ -163,16 +163,16 @@ static int dust_map_read(struct dust_device *dd, sector_t thisblock,
bool fail_read_on_bb)
{
unsigned long flags;
int ret = DM_MAPIO_REMAPPED;
int r = DM_MAPIO_REMAPPED;
if (fail_read_on_bb) {
thisblock >>= dd->sect_per_block_shift;
spin_lock_irqsave(&dd->dust_lock, flags);
ret = __dust_map_read(dd, thisblock);
r = __dust_map_read(dd, thisblock);
spin_unlock_irqrestore(&dd->dust_lock, flags);
}
return ret;
return r;
}
static void __dust_map_write(struct dust_device *dd, sector_t thisblock)
@ -209,17 +209,17 @@ static int dust_map_write(struct dust_device *dd, sector_t thisblock,
static int dust_map(struct dm_target *ti, struct bio *bio)
{
struct dust_device *dd = ti->private;
int ret;
int r;
bio_set_dev(bio, dd->dev->bdev);
bio->bi_iter.bi_sector = dd->start + dm_target_offset(ti, bio->bi_iter.bi_sector);
if (bio_data_dir(bio) == READ)
ret = dust_map_read(dd, bio->bi_iter.bi_sector, dd->fail_read_on_bb);
r = dust_map_read(dd, bio->bi_iter.bi_sector, dd->fail_read_on_bb);
else
ret = dust_map_write(dd, bio->bi_iter.bi_sector, dd->fail_read_on_bb);
r = dust_map_write(dd, bio->bi_iter.bi_sector, dd->fail_read_on_bb);
return ret;
return r;
}
static bool __dust_clear_badblocks(struct rb_root *tree,