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authorMartin K. Petersen <martin.petersen@oracle.com>2012-09-18 12:19:31 -0400
committerJames Bottomley <JBottomley@Parallels.com>2012-11-13 21:23:53 -0800
commit26e85fcd15f68b57d9ba645cd3591117a8ac0e05 (patch)
tree5dcb12ddd18e8ced5707239cdb0da6feaf3c9c80 /include/scsi
parent3c6bdaeab4fda6c9fdd5f3f5c610dea97bddf7d6 (diff)
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[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>
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