From: David Howells <dhowells@redhat.com>
To: Jan Olszak <j.olszak@samsung.com>
Cc: dhowells@redhat.com, linux-unionfs@vger.kernel.org
Subject: Re: Optional switching off cow in overlayfs
Date: Thu, 18 Jun 2015 14:39:08 +0100 [thread overview]
Message-ID: <13405.1434634748@warthog.procyon.org.uk> (raw)
In-Reply-To: <5582C6C1.8080602@samsung.com>
Jan Olszak <j.olszak@samsung.com> wrote:
> I was wondering about a small improvement to overlayfs - optional, per file
> copy of write.
>
> 1. By default overlayfs would work as usual.
> 2. If a file in 'lower' filesystem has an xattr set
> (e.g. trusted.overlay.cow=n) the file would not be copied.
>
> What do you think?
Ummm. What's the use case? How do you handle the file being part of multiple
overlays?
David
next prev parent reply other threads:[~2015-06-18 13:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-18 13:25 Optional switching off cow in overlayfs Jan Olszak
2015-06-18 13:39 ` David Howells [this message]
2015-06-18 14:43 ` Jan Olszak
2015-06-22 11:32 ` Miklos Szeredi
2015-06-22 13:45 ` Jan Olszak
2015-06-22 13:53 ` Miklos Szeredi
2015-06-22 14:26 ` Jan Olszak
2015-06-22 14:37 ` Miklos Szeredi
2015-06-22 15:32 ` Jan Olszak
2015-06-23 9:27 ` David Howells
2015-06-23 10:36 ` Jan Olszak
2015-06-23 13:23 ` David Howells
2015-06-23 16:05 ` Jan Olszak
2015-06-23 16:07 ` Jan Olszak
2015-06-24 16:03 ` Jan Olszak
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