From: Bartlomiej Zolnierkiewicz on
On Monday 01 September 2008, Tejun Heo wrote:
> DEBUG_BLOCK_EXT_DEVT shuffles SCSI and IDE device numbers and root
> device number set using rdev become meaningless. Root devices should
> be explicitly specified using textual names. Warn about it if root
> can't be found and DEBUG_BLOCK_EXT_DEVT is enabled. Also, add warning
> to the help text.
> Signed-off-by: Tejun Heo <tj(a)>
> Cc: Bartlomiej Zolnierkiewicz <bzolnier(a)>

Thanks Tejun. With this patch I'm also fine with having
DEBUG_BLOCK_EXT_DEVT enabled by default.
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