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Message-ID: <111000.1736867714@warthog.procyon.org.uk>
Date: Tue, 14 Jan 2025 15:15:14 +0000
From: David Howells <dhowells@...hat.com>
To: mszeredi@...hat.com
cc: dhowells@...hat.com, linux-unionfs@...r.kernel.org,
    linux-kernel@...r.kernel.org
Subject: How to support directory opacity in a filesystem for overlayfs to use?


Hi Miklós,

What's the best way for a network filesystem to make a native
directory-is-opaque flag available to the system?  Is it best to catch
setxattr/getxattr/removexattr("overlay.opaque") and translate these into the
RPCs to wrangle the flag?

Thanks,
David


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