[SCSI] sd: Permit merged discard requests
Support requests with more than one bio payload for discards. The total number of bytes to be discarded is stored in req->__data_len and used in sd_done() to complete the I/O. Signed-off-by:Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by:
Mike Snitzer <snitzer@redhat.com> Signed-off-by:
James Bottomley <JBottomley@Parallels.com>
parent
3c6bdaea
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