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authorVitaly Kuznetsov <vkuznets@redhat.com>2015-10-30 12:37:49 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2015-11-11 20:22:48 -0500
commita4cf30e15ccea82a07fa5870e8af787b9ea1a672 (patch)
treea5b51ec5647fc62b1c381ad682504e78e81e1a78 /drivers
parentabc01f7d54da8c77d650e730bcaef1c6c3982a5a (diff)
scsi_scan: don't dump trace when scsi_prep_async_scan() is called twice
The only user of scsi_prep_async_scan() is scsi_scan_host() and it handles the situation correctly. Move 'called twice' reporting to debug level as well. The issue is observed on Hyper-V: on any device add/remove event storvsc driver calls scsi_scan_host() and in case previous scan is still running we get the message and stack dump on console. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Tested-by: Alex Ng <alexng@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/scsi_scan.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 3b3dfef4d839..d01e423ef44b 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1713,8 +1713,7 @@ static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost)
return NULL;
if (shost->async_scan) {
- shost_printk(KERN_INFO, shost, "%s called twice\n", __func__);
- dump_stack();
+ shost_printk(KERN_DEBUG, shost, "%s called twice\n", __func__);
return NULL;
}