Messages in this thread | | | Date | Thu, 21 Jun 2007 00:24:37 +0200 | From | Karel Zak <> | Subject | Re: Adding subroot information to /proc/mounts, or obtaining that through other means |
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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@redhat.com> - 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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