Messages in this thread | | | Date | Mon, 30 Oct 2006 10:33:45 -0500 | From | Phillip Susi <> | Subject | Re: Background scan of sata drives |
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I could have sworn I saw a patch in the last month or two that made the modprobe scan NON blocking, and added a new dummy module you could modprobe that would block until the scan was complete. Am I imagining this?
Tejun Heo wrote: > Phillip Susi wrote: >> I seem to recall seeing mention flow by on the lkml at some point that >> sata disks are now scanned in the background rather than blocking in >> the modprobe, but that there is a new dummy module you can load that >> just blocks until all drives have been scanned. I tried but was >> unable to find the thread that mentioned this, so does anyone know >> what that module was? > > Scanning during boot and module loading is blocking. modprobe will wait > in the kernel until the initial scan is complete. But user initiated > scan (echo - - - > /sys/class/scsi_host/hostX/scan) doesn't wait for > completion. Patch to make user scan blocking is pending. >
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