| From | David Howells <> | Subject | Re: [PATCH 3/7] vfs: Add a mount-notification facility | Date | Wed, 29 May 2019 00:08:37 +0100 |
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David Howells <dhowells@redhat.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?
It gets trickier than that as I need a ref on the dentry on which the watch is rooted to prevent it from getting culled.
David
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