Messages in this thread | | | Date | Tue, 22 Aug 2006 11:29:29 +0800 (WST) | From | Ian Kent <> | Subject | Re: [PATCH] NFS: Replace null dentries that appear in readdir's list [try #2] |
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On Mon, 21 Aug 2006, David Howells wrote:
> > The NFS client's automounting facilities handle automatic expiration and > implicit recursive unmounting of xdev submounts. > > For example, on my test machine: > > [root@andromeda ~]# /root/mount warthog:/ /warthog -o fsc > [root@andromeda ~]# ls /warthog/warthog > [root@andromeda ~]# cat /proc/mounts > ... > warthog:/ /warthog nfs rw,vers=3,rsize=32768,wsize=32768,hard,fsc,proto=tcp,timeo=600,retrans=2,sec=sys,addr=warthog 0 0 > warthog:/warthog /warthog/warthog nfs rw,vers=3,rsize=32768,wsize=32768,hard,fsc,proto=tcp,timeo=600,retrans=2,sec=sys,addr=warthog 0 0 > [root@andromeda ~]# umount /warthog/ > [root@andromeda ~]# > > The "ls" command caused the client to mount warthog:/warthog off of the server > onto /warthog/warthog automatically. I was then able to just unmount > /warthog, which took away /warthog/warthog also without me having to do > anything special. >
This is going to be fun after all.
There isn't any way to tell a nohide from a non-nohide mount from the expots list. There are inconsistencies with the contents of /proc/mounts between OS versions (perhaps kernel version). There is no way to tell a nohide mounted filesystem from the output of /proc/mounts if it does happen to appear in it.
*sigh*
Ian
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