On Fri, Dec 09, 2011 at 12:55:37PM +0000, Andrew Walrond wrote:
> On Fri, Dec 09, 2011 at 01:48:37PM +0100, Karel Zak wrote:
> > - distro?
>
> A custom job of my own
>
> > - linked with libmount?
>
> Don't think so.
>
> $ ldd /bin/mount
> linux-vdso.so.1 => (0x00007fff093af000)
> libblkid.so.1 => //lib/libblkid.so.1 (0x00007f087b755000)
> libuuid.so.1 => //lib/libuuid.so.1 (0x00007f087b551000)
> libc.so.6 => //lib/libc.so.6 (0x00007f087b1ca000)
> /lib64/ld-linux-x86-64.so.2 => //lib64/ld-linux-x86-64.so.2 (0x00007f087b97b000)
>
> Saw some mention of libmount somewhere when I upgraded and built 2.20.1 but didn't have time to read further.
> What's the current recommendation? Should I link against it?
>
> > - do you have regular mtab or symlink to /proc/mounts
>
> symlink to /proc/mounts
... okay then it's expected behavior. The file /proc/mounts does not
provide enough information about bind mounts. You need regular mtab
or link with libmount (the library reads /proc/self/mountinfo and
does some horrible voodoo to detect already mounted bind mounts).
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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