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IB/srp: Document srp_map_data() return value 

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bart Van Assche 2016-04-22 14:13:09 -07:00 committed by Doug Ledford
parent 6ec2ba02e6
commit 77269cdfca
1 changed files with 9 additions and 0 deletions
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9
drivers/infiniband/ulp/srp/ib_srp.c
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@ -1534,6 +1534,15 @@ static int srp_map_idb(struct srp_rdma_ch *ch, struct srp_request *req,
return 0;
}
/**
* srp_map_data() - map SCSI data buffer onto an SRP request
* @scmnd: SCSI command to map
* @ch: SRP RDMA channel
* @req: SRP request
*
* Returns the length in bytes of the SRP_CMD IU or a negative value if
* mapping failed.
*/
static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_rdma_ch *ch,
struct srp_request *req)
{