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scsi: refactor scsi_reset_provider handling

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Pull the common code from the two callers into the function,
and rename it to scsi_ioctl_reset.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
This commit is contained in:
Christoph Hellwig
2014-10-11 12:06:47 +02:00
parent 1ee8e889d9
commit 176aa9d6ee
4 changed files with 41 additions and 117 deletions
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include/scsi/scsi_eh.h
+1 -14
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@@ -60,20 +60,7 @@ extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len,
extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq);
/*
* Reset request from external source
* Note: if SCSI_TRY_RESET_DEVICE fails then it will escalate to
* SCSI_TRY_RESET_TARGET which if it fails will escalate to
* SCSI_TRY_RESET_BUS which if it fails will escalate to SCSI_TRY_RESET_HOST.
* To prevent escalation OR with SCSI_TRY_RESET_NO_ESCALATE.
*/
#define SCSI_TRY_RESET_DEVICE 1
#define SCSI_TRY_RESET_BUS 2
#define SCSI_TRY_RESET_HOST 3
#define SCSI_TRY_RESET_TARGET 4
#define SCSI_TRY_RESET_NO_ESCALATE 0x100 /* OR-ed to prior defines */
extern int scsi_reset_provider(struct scsi_device *, int);
extern int scsi_ioctl_reset(struct scsi_device *, int __user *);
struct scsi_eh_save {
/* saved state */