Messages in this thread | | | Date | Thu, 28 Oct 2004 01:31:29 +0100 | From | Al Viro <> | Subject | Re: loopback on block device |
| |
On Wed, Oct 27, 2004 at 01:29:54PM -0500, Lei Yang wrote: > >Here is a question for loopback device. As far as I understand, the > >loopback device is used to mount files as if they were block devices. > > > >Then Why I could do "losetup -e XOR /dev/loop0 /dev/ram0" ? Notice > >that ram0 is not mounted anywhere and does not have a filesystem on > >it. I've tried that command and there seems to be no error. I got > >confused and looked into loop.c, it seems to me that a loopback device > >should be associated with a "backing file", why would it work on a > >block device anyway?
Because block device is a file. - 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/
| |