From: Jamie Lokier <jamie@shareable.org>
To: Mark Fasheh <mfasheh@suse.com>
Cc: Sunil Mushran <sunil.mushran@oracle.com>,
ocfs2-devel@oss.oracle.com, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [Ocfs2-devel] [PATCH 1/2] fiemap: Add new extent flag FIEMAP_EXTENT_SHARED
Date: Sat, 24 Oct 2009 19:30:39 +0100 [thread overview]
Message-ID: <20091024183039.GB30762@shareable.org> (raw)
In-Reply-To: <20091023180034.GA11402@wotan.suse.de>
Mark Fasheh wrote:
> On Wed, Oct 21, 2009 at 06:05:08PM -0700, Sunil Mushran wrote:
> > Patch adds flag FIEMAP_EXTENT_SHARED to denote extents that are
> > shared with other inodes.
>
> This looks pretty sane to me. Thanks Sunil.
It might be better to have a flag FIEMAP_EXTENT_NOT_SHARED.
Apps which need to know the data is not shared can't safely check
!(flags & FIEMAP_EXTENT_SHARED) because of old kernels which don't set
the flag.
-- Jamie
next prev parent reply other threads:[~2009-10-24 18:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-22 1:05 Extend FIEMAP to indicate shared extents Sunil Mushran
2009-10-22 1:05 ` [PATCH 1/2] fiemap: Add new extent flag FIEMAP_EXTENT_SHARED Sunil Mushran
2009-10-23 18:00 ` [Ocfs2-devel] " Mark Fasheh
2009-10-24 18:30 ` Jamie Lokier [this message]
2009-10-26 17:29 ` Sunil Mushran
2009-10-26 19:29 ` [Ocfs2-devel] " Brad Boyer
2009-10-22 1:05 ` [PATCH 2/2] ocfs2: Use FIEMAP_EXTENT_SHARED Sunil Mushran
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20091024183039.GB30762@shareable.org \
--to=jamie@shareable.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mfasheh@suse.com \
--cc=ocfs2-devel@oss.oracle.com \
--cc=sunil.mushran@oracle.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).