sd: don't use scsi_setup_blk_pc_cmnd for discard requests
authorChristoph Hellwig <hch@lst.de>
Sat, 28 Jun 2014 10:35:13 +0000 (12:35 +0200)
committerChristoph Hellwig <hch@lst.de>
Thu, 17 Jul 2014 20:16:26 +0000 (22:16 +0200)
commit6a7b43985daa4f42b6d6f0186594c3a68f84a1d8
treee6eb9a0fde65de834d2693ca6f0e108f87d34b06
parent59b1134c5a2aab2c70725af83d2e2d1c71c509ca
sd: don't use scsi_setup_blk_pc_cmnd for discard requests

Simplify handling of discard requests by setting up the command directly
instead of initializing request fields and then calling
scsi_setup_blk_pc_cmnd to propagate the information into the command.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
drivers/scsi/sd.c