[PATCH] HACK: potential fix for v6.11-rc1 scsi-sd regression

[Luca Coelho]

Signed-off-by: Luca Coelho <luciano.coelho at intel.com>
---
 drivers/scsi/sd.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index adeaa8ab9951..2751775ae532 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3753,7 +3753,6 @@ static int sd_revalidate_disk(struct gendisk *disk)
 			sd_read_block_limits_ext(sdkp);
 			sd_read_block_characteristics(sdkp, &lim);
 			sd_zbc_read_zones(sdkp, &lim, buffer);
-			sd_read_cpr(sdkp);
 		}
 
 		sd_print_capacity(sdkp, old_capacity);
@@ -3808,6 +3807,13 @@ static int sd_revalidate_disk(struct gendisk *disk)
 	if (err)
 		return err;
 
+	/*
+	 * Query concurrent positioning ranges after releasing the limits_lock
+	 * to avoid dead lock with sysfs_dir_lock and sysfs_lock.
+	 */
+	if (sdkp->media_present && scsi_device_supports_vpd(sdp))
+		sd_read_cpr(sdkp);
+
 	/*
 	 * For a zoned drive, revalidating the zones can be done only once
 	 * the gendisk capacity is set. So if this fails, set back the gendisk
-- 
2.39.2