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[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>
This commit is contained in:
Dan Williams 2012-05-25 10:55:07 -07:00 committed by James Bottomley
parent b83d543fd9
commit 43a8d39d01
1 changed files with 5 additions and 2 deletions
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7
drivers/scsi/scsi_scan.c
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@ -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;
}