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Message-ID: <17605.22477.933202.350306@cse.unsw.edu.au> Date: Tue, 25 Jul 2006 09:29:17 +1000 From: Neil Brown <neilb@...e.de> To: Kasper Sandberg <lkml@...anurb.dk> Cc: LKML Mailinglist <linux-kernel@...r.kernel.org> Subject: Re: loopback blockdevice driver partition support On Tuesday July 25, lkml@...anurb.dk wrote: > hello.. i was wondering if someone may have done some work to make the > loopback driver support partitions.. > > i found that a guy had written a nice script that used sfdisk and > dmsetup to use device mapper on a loopback image of an entire harddrive > (using DOS partition table ofcourse) to create device mapper > "partitions". > > though this doesent quite meet my requirements, as i need to read an > image of an amiga disk.. > > therefore it would seem like a good idea to make the loopback driver > work with linux's partition table support, since it already supports > this. > > if anyone has done some work in this, please mail me, and possibly i can > continue it if wanted. just want to know if anyone already has done > something like it before i try at it myself.. > You could try wrapping an md/linear around it mkdir -p /dev/md mdadm -Bf -c4 -l linear -n1 -ap /dev/md/d0 /dev/loop0 then look at partitions in /dev/md/d0pN NeilBrown - 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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