I had thought that all drivers which didn't call scsi_scan_host()
called scsi_scan_target(). Some, such as sbp2, mptsas and libata-scsi,
call scsi_add_device() or __scsi_add_device(). We just need to wait
for the currently executing async scans to complete first. This is the
same code that's in scsi_scan_target(), except that we have to return
an error instead of void when we're declining to scan at all.
Signed-off-by: Matthew Wilcox <[EMAIL PROTECTED]>
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 14e635a..1ad06e2 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1436,6 +1436,12 @@ struct scsi_device *__scsi_add_device(struct Scsi_Host
*shost, uint channel,
struct device *parent = &shost->shost_gendev;
struct scsi_target *starget;
+ if (strncmp(scsi_scan_type, "none", 4) == 0)
+ return ERR_PTR(-ENODEV);
+
+ if (!shost->async_scan)
+ scsi_complete_async_scans();
+
starget = scsi_alloc_target(parent, channel, id);
if (!starget)
return ERR_PTR(-ENOMEM);
-
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