On Wed, Jun 20, 2007 at 10:03:43PM +0100, Al Viro wrote:
> On Wed, Jun 20, 2007 at 01:57:33PM -0700, H. Peter Anvin wrote:
> > ... or, alternatively, add a subfield to the first field (which would
> > entail escaping whatever separator we choose):
> >
> > /dev/md6 /export ext3 rw,data=ordered 0 0
> > /dev/md6:/users/foo /home/foo ext3 rw,data=ordered 0 0
> > /dev/md6:/users/bar /home/bar ext3 rw,data=ordered 0 0
>
> Hell, no. The first field is in principle impossible to parse unless
> you know the fs type.
>
> How about making a new file with sane format? From the very
> beginning. E.g. mountpoint + ID + relative path + type + options,
> where ID uniquely identifies superblock (e.g. numeric st_dev)
> and backing device (if any) is sitting among the options...
Yeah. How about include propagation trees to this file?
mountpoint + ID + relative path + type + options + propagation-flag +
{peer,master}-mount-id
/ 0xa917800 / ext3 rw PRIVATE
/mnt 0xa917100 / ext3 rw SHARED peer:0xa917100
/tmp 0xa917f00 /1 ext3 rw SLAVE master:0xa917100
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
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