diff mbox series

[RFC,07/22] scsi: Have scsi-ml retry sd_spinup_disk errors

Message ID 20220922100704.753666-8-michael.christie@oracle.com
State New
Headers show
Series Allow scsi_execute users to control retries | expand

Commit Message

Mike Christie Sept. 22, 2022, 10:06 a.m. UTC
This simplifies sd_spinup_disk so scsi-ml retries UAs. It doesn't convert
the errors we will do a msleep for since scsi-ml does not yet handle that.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
---
 drivers/scsi/sd.c | 58 +++++++++++++++++++++++------------------------
 1 file changed, 29 insertions(+), 29 deletions(-)
diff mbox series

Patch

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 46383b680893..b76e0b1900a0 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2045,48 +2045,48 @@  sd_spinup_disk(struct scsi_disk *sdkp)
 {
 	unsigned char cmd[10];
 	unsigned long spintime_expire = 0;
-	int retries, spintime;
+	int spintime;
 	unsigned int the_result;
 	struct scsi_sense_hdr sshdr;
 	int sense_valid = 0;
+	struct scsi_failure failures[] = {
+		{
+			.sense = UNIT_ATTENTION,
+			.asc = SCMD_FAILURE_ASC_ANY,
+			.ascq = SCMD_FAILURE_ASCQ_ANY,
+			.allowed = 3,
+			.result = SAM_STAT_CHECK_CONDITION,
+		},
+		{},
+	};
 
 	spintime = 0;
 
 	/* Spin up drives, as required.  Only do this at boot time */
 	/* Spinup needs to be done for module loads too. */
 	do {
-		retries = 0;
-
-		do {
-			bool media_was_present = sdkp->media_present;
+		bool media_was_present = sdkp->media_present;
 
-			cmd[0] = TEST_UNIT_READY;
-			memset((void *) &cmd[1], 0, 9);
+		cmd[0] = TEST_UNIT_READY;
+		memset((void *) &cmd[1], 0, 9);
 
-			the_result = scsi_execute_req(sdkp->device, cmd,
-						      DMA_NONE, NULL, 0,
-						      &sshdr, SD_TIMEOUT,
-						      sdkp->max_retries, NULL,
-						      NULL);
+		the_result = scsi_execute_req(sdkp->device, cmd, DMA_NONE, NULL,
+					      0, &sshdr, SD_TIMEOUT,
+					      sdkp->max_retries, NULL,
+					      failures);
 
-			/*
-			 * If the drive has indicated to us that it
-			 * doesn't have any media in it, don't bother
-			 * with any more polling.
-			 */
-			if (media_not_present(sdkp, &sshdr)) {
-				if (media_was_present)
-					sd_printk(KERN_NOTICE, sdkp, "Media removed, stopped polling\n");
-				return;
-			}
+		/*
+		 * If the drive has indicated to us that it doesn't have any
+		 * media in it, don't bother  with any more polling.
+		 */
+		if (media_not_present(sdkp, &sshdr)) {
+			if (media_was_present)
+				sd_printk(KERN_NOTICE, sdkp, "Media removed, stopped polling\n");
+			return;
+		}
 
-			if (the_result)
-				sense_valid = scsi_sense_valid(&sshdr);
-			retries++;
-		} while (retries < 3 &&
-			 (!scsi_status_is_good(the_result) ||
-			  (scsi_status_is_check_condition(the_result) &&
-			  sense_valid && sshdr.sense_key == UNIT_ATTENTION)));
+		if (the_result)
+			sense_valid = scsi_sense_valid(&sshdr);
 
 		if (!scsi_status_is_check_condition(the_result)) {
 			/* no sense, TUR either succeeded or failed