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dm thin: add braces around conditional code that spans lines

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Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Mike Snitzer
2023-11-15 13:31:21 -05:00
parent 0e0c50e85a
commit 47c00dcdd5
1 changed files with 12 additions and 8 deletions
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drivers/md/dm-thin.c
+12 -8
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@@ -453,12 +453,13 @@ static int bio_detain(struct pool *pool, struct dm_cell_key *key, struct bio *bi
cell_prealloc = dm_bio_prison_alloc_cell(pool->prison, GFP_NOIO);
r = dm_bio_detain(pool->prison, key, bio, cell_prealloc, cell_result);
if (r)
if (r) {
/*
* We reused an old cell; we can get rid of
* the new one.
*/
dm_bio_prison_free_cell(pool->prison, cell_prealloc);
}
return r;
}
@@ -707,9 +708,10 @@ static void get_bio_block_range(struct thin_c *tc, struct bio *bio,
(void) sector_div(e, pool->sectors_per_block);
}
if (e < b)
if (e < b) {
/* Can happen if the bio is within a single block. */
e = b;
}
*begin = b;
*end = e;
@@ -721,13 +723,14 @@ static void remap(struct thin_c *tc, struct bio *bio, dm_block_t block)
sector_t bi_sector = bio->bi_iter.bi_sector;
bio_set_dev(bio, tc->pool_dev->bdev);
if (block_size_is_power_of_two(pool))
if (block_size_is_power_of_two(pool)) {
bio->bi_iter.bi_sector =
(block << pool->sectors_per_block_shift) |
(bi_sector & (pool->sectors_per_block - 1));
else
} else {
bio->bi_iter.bi_sector = (block * pool->sectors_per_block) +
sector_div(bi_sector, pool->sectors_per_block);
}
}
static void remap_to_origin(struct thin_c *tc, struct bio *bio)
@@ -1401,9 +1404,10 @@ static void schedule_zero(struct thin_c *tc, dm_block_t virt_block,
if (pool->pf.zero_new_blocks) {
if (io_overwrites_block(pool, bio))
remap_and_issue_overwrite(tc, bio, data_block, m);
else
else {
ll_zero(tc, m, data_block * pool->sectors_per_block,
(data_block + 1) * pool->sectors_per_block);
}
} else
process_prepared_mapping(m);
}
@@ -1416,17 +1420,17 @@ static void schedule_external_copy(struct thin_c *tc, dm_block_t virt_block,
sector_t virt_block_begin = virt_block * pool->sectors_per_block;
sector_t virt_block_end = (virt_block + 1) * pool->sectors_per_block;
if (virt_block_end <= tc->origin_size)
if (virt_block_end <= tc->origin_size) {
schedule_copy(tc, virt_block, tc->origin_dev,
virt_block, data_dest, cell, bio,
pool->sectors_per_block);
else if (virt_block_begin < tc->origin_size)
} else if (virt_block_begin < tc->origin_size) {
schedule_copy(tc, virt_block, tc->origin_dev,
virt_block, data_dest, cell, bio,
tc->origin_size - virt_block_begin);
else
} else
schedule_zero(tc, virt_block, data_dest, cell, bio);
}