block: refactor discard bio size limiting

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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>

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Christoph Hellwig 2022-04-15 06:52:53 +02:00 • committed by Jens Axboe

parent 5c4b4a5c6f

commit e3cc28ea28

2 changed files with 29 additions and 44 deletions

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59

block/blk-lib.c

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14

block/blk.h

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