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authorDan Williams <dan.j.williams@intel.com>2012-05-25 10:55:07 -0700
committerJames Bottomley <JBottomley@Parallels.com>2012-05-30 13:37:07 +0400
commit43a8d39d0137612c336aa8bbb2cb886a79772ffb (patch)
tree3e11f09edb70fd9dad771c452806524c63ff41dc /drivers/scsi/scsi_scan.c
parentb83d543fd934d565fb243ef348b06a61d794b31d (diff)
downloadlinux-43a8d39d0137612c336aa8bbb2cb886a79772ffb.tar.gz
[SCSI] fix async probe regression
Commit a7a20d1 "[SCSI] sd: limit the scope of the async probe domain"
moved sd probe work out of reach of wait_for_device_probe().  Allow it
to be synced via scsi_complete_async_scans().

Reported-by: Meelis Roos <mroos@linux.ee>
Tested-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/scsi_scan.c')
-rw-r--r--drivers/scsi/scsi_scan.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 01b03744f1f9..2e5fe584aad3 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -147,7 +147,7 @@ int scsi_complete_async_scans(void)
 
 	do {
 		if (list_empty(&scanning_hosts))
-			return 0;
+			goto out;
 		/* If we can't get memory immediately, that's OK.  Just
 		 * sleep a little.  Even if we never get memory, the async
 		 * scans will finish eventually.
@@ -179,8 +179,11 @@ int scsi_complete_async_scans(void)
 	}
  done:
 	spin_unlock(&async_scan_lock);
-
 	kfree(data);
+
+ out:
+	async_synchronize_full_domain(&scsi_sd_probe_domain);
+
 	return 0;
 }