On Fri, Aug 12, 2011 at 04:01:33AM +0800, Anand Jain wrote:
> Added test case 259 for the btrfs raid features. SCRATCH_DEV_POOL must
> be set to 2 or more disks.
Any chance you can document how SCRATCH_DEV_POOL is supposed to be
used in the README file? An addition patch is fine, no need to update
the existing ones. Also is there a chance you could allow setting
only SCRATCH_DEV_POOL for btrfs, and derive SCRATCH_DEV for that as an
additional step?
> +# arg 1 remove/add
> +# arg 2 /dev/sdx or return of devmgt resply
> +_devmgt()
> +{
> + local x
> + local d
> +
> + if [ $1 == "remove" ]; then
> + d=`echo $2|cut -d"/" -f3`
> + x=`ls -l /sys/class/block/${d} | cut -d "/" -f12 | sed 's/:/ /g'`
> + echo "scsi remove-single-device ${x}" > /proc/scsi/scsi || _fail
> "Remove disk failed"
> + DEVHTL=${x}
> + else
> + echo "scsi add-single-device ${2}" > /proc/scsi/scsi || _fail
> "Add disk failed"
> + fi
> +}
Please use the sysfs interface instead of the deprecated /proc/scsi/scsi
interface. I would also suggest to split this routine into two for
removing and adding, and move them to the common helper library, so it
could be used for other tests.
> +# we need this to test removing a dev from the system
> +_require_proc_scsi()
> +{
> + [ -e /proc/scsi/scsi ] || _notrun "/proc/scsi/scsi is not present"
> +}
The _require need really is that the device you want to work on is a
SCSI device.
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