Messages in this thread | | | From | Jann Horn <> | Date | Wed, 29 May 2019 01:23:36 +0200 | Subject | Re: [PATCH 3/7] vfs: Add a mount-notification facility |
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On Wed, May 29, 2019 at 1:04 AM David Howells <dhowells@redhat.com> wrote: > Jann Horn <jannh@google.com> wrote: > > It might make sense to redesign this stuff so that watches don't hold > > references on the object being watched. > > I explicitly made it hold a reference so that if you place a watch on an > automounted mount it stops it from expiring. > > Further, if I create a watch on something, *should* it be unmountable, just as > if I had a file open there or had chdir'd into there?
I don't really know. I guess it depends on how it's being used? If someone decides to e.g. make a file browser that installs watches for a bunch of mountpoints for some fancy sidebar showing the device mounts on the system, or something like that, that probably shouldn't inhibit unmounting... I don't know if that's a realistic use case.
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