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block: move ->bio_split to the gendisk

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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>
This commit is contained in:
Christoph Hellwig
2022-07-27 12:22:57 -04:00
committed by Jens Axboe
parent 51d798cdb5
commit 46754bd056
6 changed files with 15 additions and 16 deletions
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3
include/linux/blkdev.h
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@@ -140,6 +140,8 @@ struct gendisk {
struct request_queue *queue;
void *private_data;
struct bio_set bio_split;
int flags;
unsigned long state;
#define GD_NEED_PART_SCAN 0
@@ -531,7 +533,6 @@ struct request_queue {
struct blk_mq_tag_set *tag_set;
struct list_head tag_set_list;
struct bio_set bio_split;
struct dentry *debugfs_dir;
struct dentry *sched_debugfs_dir;