block: move ->bio_split to the gendisk
Only non-passthrough requests are split by the block layer and use the
->bio_split bio_set. Move it from the request_queue to the gendisk.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20220727162300.3089193-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/block/genhd.c b/block/genhd.c
index e1d5b10..b901fea 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1151,6 +1151,7 @@ static void disk_release(struct device *dev)
blk_mq_exit_queue(disk->queue);
blkcg_exit_queue(disk->queue);
+ bioset_exit(&disk->bio_split);
disk_release_events(disk);
kfree(disk->random);
@@ -1342,9 +1343,12 @@ struct gendisk *__alloc_disk_node(struct request_queue *q, int node_id,
if (!disk)
goto out_put_queue;
+ if (bioset_init(&disk->bio_split, BIO_POOL_SIZE, 0, 0))
+ goto out_free_disk;
+
disk->bdi = bdi_alloc(node_id);
if (!disk->bdi)
- goto out_free_disk;
+ goto out_free_bioset;
/* bdev_alloc() might need the queue, set before the first call */
disk->queue = q;
@@ -1382,6 +1386,8 @@ struct gendisk *__alloc_disk_node(struct request_queue *q, int node_id,
iput(disk->part0->bd_inode);
out_free_bdi:
bdi_put(disk->bdi);
+out_free_bioset:
+ bioset_exit(&disk->bio_split);
out_free_disk:
kfree(disk);
out_put_queue:
