diff options
| author | Heinz Mauelshagen <heinzm@redhat.com> | 2023-02-02 01:42:29 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@kernel.org> | 2023-02-14 22:23:06 +0300 |
| commit | 0ef0b4717aa6849d251b23ae1efe93ca93af540b (patch) | |
| tree | 89d2bacb662510b22b75eea4a5ab6bd9a655e52b /drivers/md/dm-bufio.c | |
| parent | 02f10ba178e7a43faf7107cd15111e0f81e6ac70 (diff) | |
| download | linux-0ef0b4717aa6849d251b23ae1efe93ca93af540b.tar.xz | |
dm: add missing empty lines
Signed-off-by: Heinz Mauelshagen <heinzm@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 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index b3dee6d61916..46b2cec9610a 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -628,6 +628,7 @@ static void bio_complete(struct bio *bio) { struct dm_buffer *b = bio->bi_private; blk_status_t status = bio->bi_status; + bio_uninit(bio); kfree(bio); b->end_io(b, status); @@ -660,6 +661,7 @@ dmio: do { unsigned int this_step = min((unsigned int)(PAGE_SIZE - offset_in_page(ptr)), len); + if (!bio_add_page(bio, virt_to_page(ptr), this_step, offset_in_page(ptr))) { bio_put(bio); @@ -782,6 +784,7 @@ static void __write_dirty_buffer(struct dm_buffer *b, static void __flush_write_list(struct list_head *write_list) { struct blk_plug plug; + blk_start_plug(&plug); while (!list_empty(write_list)) { struct dm_buffer *b = @@ -1179,6 +1182,7 @@ void dm_bufio_prefetch(struct dm_bufio_client *c, for (; n_blocks--; block++) { int need_submit; struct dm_buffer *b; + b = __bufio_new(c, block, NF_PREFETCH, &need_submit, &write_list); if (unlikely(!list_empty(&write_list))) { @@ -1463,6 +1467,7 @@ retry: __link_buffer(b, new_block, LIST_DIRTY); } else { sector_t old_block; + wait_on_bit_lock_io(&b->state, B_WRITING, TASK_UNINTERRUPTIBLE); /* @@ -1553,6 +1558,7 @@ EXPORT_SYMBOL_GPL(dm_bufio_get_block_size); sector_t dm_bufio_get_device_size(struct dm_bufio_client *c) { sector_t s = bdev_nr_sectors(c->bdev); + if (s >= c->start) s -= c->start; else @@ -1668,10 +1674,12 @@ static bool __try_evict_buffer(struct dm_buffer *b, gfp_t gfp) static unsigned long get_retain_buffers(struct dm_bufio_client *c) { unsigned long retain_bytes = READ_ONCE(dm_bufio_retain_bytes); + if (likely(c->sectors_per_block_bits >= 0)) retain_bytes >>= c->sectors_per_block_bits + SECTOR_SHIFT; else retain_bytes /= c->block_size; + return retain_bytes; } @@ -1806,6 +1814,7 @@ struct dm_bufio_client *dm_bufio_client_create(struct block_device *bdev, unsign if (block_size <= KMALLOC_MAX_SIZE && (block_size < PAGE_SIZE || !is_power_of_2(block_size))) { unsigned int align = min(1U << __ffs(block_size), (unsigned int)PAGE_SIZE); + snprintf(slab_name, sizeof slab_name, "dm_bufio_cache-%u", block_size); c->slab_cache = kmem_cache_create(slab_name, block_size, align, SLAB_RECLAIM_ACCOUNT, NULL); |