diff mbox series

scsi: sd: mark the scsi device in shutdown as deleted

Message ID 20221204135757.11595-1-thenzl@redhat.com
State New
Headers show
Series scsi: sd: mark the scsi device in shutdown as deleted | expand

Commit Message

Tomas Henzl Dec. 4, 2022, 1:57 p.m. UTC 
Set the state to deleted in sd_shutdown so that the attached LLD
doesn't get new I/O (can happen when in kexec for example) later after
LLD's shutdown function has been called.

Signed-off-by: Tomas Henzl <thenzl@redhat.com>
---
 drivers/scsi/sd.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 47dafe6b8a66..52e9d67917ec 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3676,10 +3676,13 @@  static int sd_start_stop_device(struct scsi_disk *sdkp, int start)
 static void sd_shutdown(struct device *dev)
 {
 	struct scsi_disk *sdkp = dev_get_drvdata(dev);
+	struct scsi_device *sdp;
 
 	if (!sdkp)
 		return;         /* this can happen */
 
+	sdp = sdkp->device;
+
 	if (pm_runtime_suspended(dev))
 		return;
 
@@ -3692,6 +3695,10 @@  static void sd_shutdown(struct device *dev)
 		sd_printk(KERN_NOTICE, sdkp, "Stopping disk\n");
 		sd_start_stop_device(sdkp, 0);
 	}
+
+	mutex_lock(&sdp->state_mutex);
+	scsi_device_set_state(sdp, SDEV_DEL);
+	mutex_unlock(&sdp->state_mutex);
 }
 
 static int sd_suspend_common(struct device *dev, bool ignore_stop_errors)