block: refactor discard bio size limiting
authorChristoph Hellwig <hch@lst.de>
Fri, 15 Apr 2022 04:52:53 +0000 (06:52 +0200)
committerJens Axboe <axboe@kernel.dk>
Mon, 18 Apr 2022 01:49:59 +0000 (19:49 -0600)
commite3cc28ea28b5f8794db2aed24f8a0282ad2e85a2
tree725631a2f3bff8b70df2d269576529e5c37c91de
parent5c4b4a5c6f11c869a57c6bd977143430bc9dc43d
block: refactor discard bio size limiting

Move all the logic to limit the discard bio size into a common helper
so that it is better documented.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Coly Li <colyli@suse.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220415045258.199825-23-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-lib.c
block/blk.h