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[SCSI] add residual argument to scsi_execute and scsi_execute_req

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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>
This commit is contained in:
FUJITA Tomonori
2008-12-04 14:24:39 +09:00
committed by James Bottomley
parent a528ab7a32
commit f4f4e47e4a
11 changed files with 38 additions and 28 deletions
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5
include/scsi/scsi_device.h
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@@ -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,