[SCSI] add residual argument to scsi_execute and scsi_execute_req

scsi_execute() and scsi_execute_req() discard the residual length
information. Some callers need it. This adds residual argument
(optional) to scsi_execute and scsi_execute_req.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 2a1c1419994..01a4c58f8ba 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -365,10 +365,11 @@ extern int scsi_is_target_device(const struct device *);
 extern int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
                         int data_direction, void *buffer, unsigned bufflen,
                         unsigned char *sense, int timeout, int retries,
-                        int flag);
+                        int flag, int *resid);
 extern int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
                             int data_direction, void *buffer, unsigned bufflen,
-                            struct scsi_sense_hdr *, int timeout, int retries);
+                            struct scsi_sense_hdr *, int timeout, int retries,
+                            int *resid);
 extern int scsi_execute_async(struct scsi_device *sdev,
                               const unsigned char *cmd, int cmd_len, int data_direction,
                               void *buffer, unsigned bufflen, int use_sg,