This has scsi_mode_sense have scsi-ml retry UAs instead of driving them
itself.
Signed-off-by: Mike Christie <michael.christie@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: John Garry <john.g.garry@xxxxxxxxxx>
---
drivers/scsi/scsi_lib.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index d9432bbb64fd..67d74f175c4c 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2186,11 +2186,22 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage, int subpage,
unsigned char cmd[12];
int use_10_for_ms;
int header_length;
- int result, retry_count = retries;
+ int result;
struct scsi_sense_hdr my_sshdr;
+ struct scsi_failure failures[] = {
+ {
+ .sense = UNIT_ATTENTION,
+ .asc = SCMD_FAILURE_ASC_ANY,
+ .ascq = SCMD_FAILURE_ASCQ_ANY,
+ .allowed = retries,
+ .result = SAM_STAT_CHECK_CONDITION,
+ },
+ {}
+ };
const struct scsi_exec_args exec_args = {
/* caller might not be interested in sense, but we need it */
.sshdr = sshdr ? : &my_sshdr,
+ .failures = failures,
};
memset(data, 0, sizeof(*data));
@@ -2252,12 +2263,6 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage, int subpage,
goto retry;
}
}
- if (scsi_status_is_check_condition(result) &&
- sshdr->sense_key == UNIT_ATTENTION &&
- retry_count) {
- retry_count--;
- goto retry;
- }
}
return -EIO;
}
--
2.34.1
