1.7.7: Cannot unmount certain user bind mounts
John Carey
aeolus@electric-cloud.com
Tue Sep 7 17:15:00 GMT 2010
On Sep 04 01:50 Corinna Vinschen wrote:
> On Sep 3 17:19, John Carey wrote:
> > A user mount whose only non-default option is "bind"
> > cannot be unmounted if its target is a system mount;
> > please see the end of this email for a test case.
> >
> > It looks to me as if the MOUNT_SYSTEM bit is copied from
> > the bind target by mount() in winsup/cygwin/mount.cc.
>
> Right. I fixed this in CVS. I also fixed the problem that bind mounts
> in the user's fstab file were preserving the targets MOUNT_SYSTEM flag.
> And while I was at it, I found that `mount -a' also adds the
> MOUNT_SYSTEM flag if the added mount is from /etc/fstab. That wasn't
> intended either. Every mount added via mount(2) is supposed to be a
> user mount.
Thanks for the fix!
-- John
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