Re: [PATCH] overlayfs: Warn on copy up if a process has a R/O fd open to the lower file

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To: viro@xxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH] overlayfs: Warn on copy up if a process has a R/O fd open to the lower file
From: David Howells <dhowells@xxxxxxxxxx>
Date: Mon, 22 Jun 2015 16:10:33 +0100
Cc: dhowells@xxxxxxxxxx, miklos@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-unionfs@xxxxxxxxxxxxxxx
In-reply-to: <4954.1432838811@warthog.procyon.org.uk>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903

Hi Al,

> Print a warning when overlayfs copies up a file if the process that triggered
> the copy up has a R/O fd open to the lower file being copied up.

Can you take this?

David
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References:
- [PATCH] overlayfs: Warn on copy up if a process has a R/O fd open to the lower file
  - From: David Howells

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