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Date: Fri, 7 Jan 2011 16:13:27 +0100 From: Kay Sievers <kay.sievers@...y.org> To: Kirill Smelkov <kirr@...dau.phys.spbu.ru> Cc: Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org, Will Drewry <wad@...omium.org> Subject: Re: [RESEND PATCH 1/2] init: Add support for root devices to be specified by partition name On Fri, Jan 7, 2011 at 12:42, Kirill Smelkov <kirr@...dau.phys.spbu.ru> wrote: > [ In follow-up to b5af921e ] > > Besides GUIDs, there are also partition names stored in an EFI GPT > partition table. So let's add support for root to be located not only by > GUID, but also by partition names, like this: > > root=PARTNAME=<partition-name> Are you sure about this? What's your use case? Generally, we really don't recommend ever to use any simple labels for critical stuff -- not from filesystems, not from partitions. I know that some distros did that, but this is pretty misguided, and I think, should not be extended to any new facility, unless there is a good use case for that. Labels are not unique and in the general case absolutely not useful to uniquely identify data on a disk. They only make sense for humans, or interfaces that visualize things -- they should usually not be used in any environment that reliably needs to identify a certain partition. We have the uuids for a reason. Kay -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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