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authorMatthew Wilcox <matthew@wil.cx>2007-01-15 18:07:09 -0700
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2007-01-27 09:02:36 -0600
commit938e2ac0b7ac72d264783b0b548eb6078c295294 (patch)
treead824377bdef1eea7a945501e432351942c9eab4 /drivers/scsi
parent7d620a4e531ae4d432d3c88f7d4b75327d881a87 (diff)
[SCSI] Fix scsi_add_device() for async scanning
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 <matthew@wil.cx> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/scsi_scan.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index b83d03c4dee..96b7cbd746a 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1453,6 +1453,12 @@ 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);