diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-04-06 09:12:27 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-04-18 04:30:41 +0300 |
| commit | 066ff571011d8416e903d3d4f1f41e0b5eb91e1d (patch) | |
| tree | 749f3f28b12204c02e223ec27318d5a231eede0f /drivers/md/dm-bufio.c | |
| parent | 7655db80932d95f501a0811544d9520ec720e38d (diff) | |
| download | linux-066ff571011d8416e903d3d4f1f41e0b5eb91e1d.tar.xz | |
block: turn bio_kmalloc into a simple kmalloc wrapper
Remove the magic autofree semantics and require the callers to explicitly
call bio_init to initialize the bio.
This allows bio_free to catch accidental bio_put calls on bio_init()ed
bios as well.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Coly Li <colyli@suse.de>
Acked-by: Mike Snitzer <snitzer@kernel.org>
Link: https://lore.kernel.org/r/20220406061228.410163-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/dm-bufio.c')
| -rw-r--r-- | drivers/md/dm-bufio.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index e9cbc70d5a0e..5ffa1dcf84cf 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -611,7 +611,8 @@ static void bio_complete(struct bio *bio) { struct dm_buffer *b = bio->bi_private; blk_status_t status = bio->bi_status; - bio_put(bio); + bio_uninit(bio); + kfree(bio); b->end_io(b, status); } @@ -626,16 +627,14 @@ static void use_bio(struct dm_buffer *b, int rw, sector_t sector, if (unlikely(b->c->sectors_per_block_bits < PAGE_SHIFT - SECTOR_SHIFT)) vec_size += 2; - bio = bio_kmalloc(GFP_NOWAIT | __GFP_NORETRY | __GFP_NOWARN, vec_size); + bio = bio_kmalloc(vec_size, GFP_NOWAIT | __GFP_NORETRY | __GFP_NOWARN); if (!bio) { dmio: use_dmio(b, rw, sector, n_sectors, offset); return; } - + bio_init(bio, b->c->bdev, bio->bi_inline_vecs, vec_size, rw); bio->bi_iter.bi_sector = sector; - bio_set_dev(bio, b->c->bdev); - bio_set_op_attrs(bio, rw, 0); bio->bi_end_io = bio_complete; bio->bi_private = b; |