block: pass a maxlen argument to bio_iov_iter_bounce

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Allow the file system to limit the size processed in a single
bounce operation.  This is needed when generating integrity data
so that the size of a single integrity segment can't overflow.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anuj Gupta <anuj20.g@samsung.com>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Tested-by: Anuj Gupta <anuj20.g@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

...

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Christoph Hellwig 2026-02-23 05:20:07 -08:00 • committed by Jens Axboe

parent 0bde8a12b5

commit a9aa6045ab

3 changed files with 12 additions and 9 deletions

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17

block/bio.c

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2

fs/iomap/direct-io.c

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2

include/linux/bio.h

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