From: Bart Van Assche <bvanassche@xxxxxxx>
commit 633aeefafc9c2a07a76a62be6aac1d73c3e3defa upstream.
Prepare for skipping the IO Advice Hints Grouping mode page for USB storage
devices.
Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: Joao Machado <jocrismachado@xxxxxxxxx>
Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Cc: Christian Heusel <christian@xxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 4f53138fffc2 ("scsi: sd: Translate data lifetime information")
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
Link: https://lore.kernel.org/r/20240613211828.2077477-2-bvanassche@xxxxxxx
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/sd.c | 4 ++++
include/scsi/scsi_devinfo.h | 4 +++-
2 files changed, 7 insertions(+), 1 deletion(-)
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -63,6 +63,7 @@
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_dbg.h>
#include <scsi/scsi_device.h>
+#include <scsi/scsi_devinfo.h>
#include <scsi/scsi_driver.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_host.h>
@@ -3125,6 +3126,9 @@ static void sd_read_io_hints(struct scsi
struct scsi_mode_data data;
int res;
+ if (sdp->sdev_bflags & BLIST_SKIP_IO_HINTS)
+ return;
+
res = scsi_mode_sense(sdp, /*dbd=*/0x8, /*modepage=*/0x0a,
/*subpage=*/0x05, buffer, SD_BUF_SIZE, SD_TIMEOUT,
sdkp->max_retries, &data, &sshdr);
--- a/include/scsi/scsi_devinfo.h
+++ b/include/scsi/scsi_devinfo.h
@@ -69,8 +69,10 @@
#define BLIST_RETRY_ITF ((__force blist_flags_t)(1ULL << 32))
/* Always retry ABORTED_COMMAND with ASC 0xc1 */
#define BLIST_RETRY_ASC_C1 ((__force blist_flags_t)(1ULL << 33))
+/* Do not query the IO Advice Hints Grouping mode page */
+#define BLIST_SKIP_IO_HINTS ((__force blist_flags_t)(1ULL << 34))
-#define __BLIST_LAST_USED BLIST_RETRY_ASC_C1
+#define __BLIST_LAST_USED BLIST_SKIP_IO_HINTS
#define __BLIST_HIGH_UNUSED (~(__BLIST_LAST_USED | \
(__force blist_flags_t) \
Patches currently in stable-queue which might be from bvanassche@xxxxxxx are
queue-6.9/scsi-usb-uas-do-not-query-the-io-advice-hints-grouping-mode-page-for-usb-uas-devices.patch
queue-6.9/scsi-ufs-core-free-memory-allocated-for-model-before-reinit.patch
queue-6.9/scsi-core-introduce-the-blist_skip_io_hints-flag.patch
