On 23/06/11 16:21, Pádraig Brady wrote: > On 23/06/11 15:53, Karel Zak wrote: >> https://bugzilla.redhat.com/show_bug.cgi?id=709351 >> >> The tools (not only df(1)) have to be fixed to de-duplicate the list >> of fileststems. It's standard behavior that the same filesystem could >> be mounted on more places. >> >> The 'bind' flag is another way how to achieve that the filesystem is >> mounted on another place. Nothing other. >> >> # mount /dev/sdb1 /mnt/A >> # mount --bind /mnt/A /mnt/B >> >> is the same thing as: >> >> # mount /dev/sdb1 /mnt/A >> # mount /dev/sdb1 /mnt/B >> >> there is nothing like 'bind' state of the filesystem. The 'bind' info in >> mtab was always broken by design. >> >> http://karelzak.blogspot.com/2011/04/bind-mounts-mtab-and-read-only.html > > Thanks for that info. > > I did a find_bind_mount() function as part of: > http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=commitdiff;h=ddf6fb86 That's no longer valid. Looks like I'll need to separately parse /proc/self/mountinfo if we need that functionality :( I'm sure there was a very good reason for changing that? > I also adjusted df to handle bind mounts better with: > http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=commitdiff;h=0380e4c9 > I'll have to revisit these to see if they're still valid. That one seems less necessary now. > I'll have a look at fixing up df (I guess I'll reverse the mount list > and have some internal hash to detect dupes?). I had a 5 min look and I don't think it will be this easy. > I need to see why F15 has started doing this too. > For example on my system there are 2 _identical_ entries > for /home in /proc/mounts. I've not got sandbox installed BTW. Still need to look at this. cheers, Pádraig. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
