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SubjectRe: 2.6.28-rc3: kernel mounts the same device twice? Or /proc/mounts lies?
On Tue, Nov 04, 2008 at 12:13:07PM +0300, Andrey Borzenkov wrote:
> And according to /proc/mounts both are mounted at the same time:
>
> {pts/0}% cat /proc/mounts
> rootfs / rootfs rw 0 0
> /dev/root / reiserfs rw 0 0
> /dev /dev tmpfs rw 0 0
> /proc /proc proc rw 0 0
> /sys /sys sysfs rw 0 0
> /proc/bus/usb /proc/bus/usb usbfs rw,devgid=43,devmode=664 0 0
> none /dev/pts devpts rw,mode=620 0 0
> none /dev/shm tmpfs rw 0 0
> none /tmp tmpfs rw 0 0
> none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
> /dev/sda2 /media/hd reiserfs rw 0 0
> {pts/0}% ll /dev/root
> brw------- 1 root root 8, 2 2008-11-04 12:01 /dev/root
> {pts/0}% ll /dev/sda2
> brw-rw---- 1 root disk 8, 2 2008-11-04 12:01 /dev/sda2
>
> Bug or feature?

Feature. This is typical FAQ-like question.

# mount /dev/sda2 /mnt/test
# mount /dev/sda2 /mnt/test2

# df | grep sda2
/dev/sda2 14877092 168740 13940448 2% /mnt/test
/dev/sda2 14877092 168740 13940448 2% /mnt/test2

Karel

--
Karel Zak <kzak@redhat.com>


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