Messages in this thread |  | | Subject | Re: [RFD w/info-PATCH] device arguments from lookup, partion code in userspace | Date | Sat, 19 May 2001 11:42:24 +0200 (CEST) | From | (Christer Weinigel) |
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In article <Pine.LNX.4.33.0105190138150.6079-100000@toomuch.toronto.redhat.com> you write: >3. Userspace partition code proposal > > Given the above two bits, here's a brief explaination of a > proposal to move management of the partitioning scheme into > userspace, along with portions of raid startup, lvm, uuid and > mount by label code needed for mounting the root filesystem. > > Consider that the device node currently known as /dev/hda5 can > also be viewed as /dev/hda at offset 512000 with a limit of 10GB. > With the extensions in fs/block_dev.c, you could replace /dev/hda5 > with /dev/hda/offset=512000,limit=10240000000. Now, by putting > the partition parsing code into a libpart and binding mount to a > libpart, the root filesystem mounting code can be run out of an > initrd image. The use of mount gives us the ability to mount > filesystems by UUID, by label or other exotic schemes without > having to add any additional code to the kernel.
The only problem I can see with this is that it removes one useful thing, the ability to give a user access to a whole partition.
chown wingel /dev/hda5
won't work anymore since there is no such device node.
/Christer -- "Just how much can I get away with and still go to heaven?" - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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