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be82a89066
Add a function ublk_copy_user_integrity() to copy integrity information between a request and a user iov_iter. This mirrors the existing ublk_copy_user_pages() but operates on request integrity data instead of regular data. Check UBLKSRV_IO_INTEGRITY_FLAG in iocb->ki_pos in ublk_user_copy() to choose between copying data or integrity data. [csander: change offset units from data bytes to integrity data bytes, fix CONFIG_BLK_DEV_INTEGRITY=n build, rebase on user copy refactor] Signed-off-by: Stanley Zhang <stazhang@purestorage.com> Signed-off-by: Caleb Sander Mateos <csander@purestorage.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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| linux | ||
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| scsi | ||
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| Kbuild | ||