From: Christoph Hellwig <hch@infradead.org>
To: dsterba@suse.cz, Peng Tao <tao.peng@primarydata.com>,
Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
Trond Myklebust <trond.myklebust@primarydata.com>,
Anna Schumaker <anna.schumaker@netapp.com>,
Christoph Hellwig <hch@infradead.org>, Zach Brown <zab@zabbo.net>,
Darren Hart <dvhart@linux.intel.com>,
Bruce Fields <bfields@fieldses.org>,
Jeff Layton <jeff.layton@primarydata.com>,
linux-btrfs@vger.kernel.org,
Devel FS Linux <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH RFC 02/11] vfs/btrfs: add .clone_range file operation
Date: Wed, 26 Aug 2015 06:07:12 -0700 [thread overview]
Message-ID: <20150826130712.GA6958@infradead.org> (raw)
In-Reply-To: <20150826130057.GW10756@suse.cz>
On Wed, Aug 26, 2015 at 03:00:57PM +0200, David Sterba wrote:
> > I thought it breaks ABI if we choose a different value for the type
> > field of the ioctl. Am I misunderstanding it?
>
> The ioctl is now private to btrfs, you're going to define the new ABI so
> it IMHO should use the generic filesystem ioctl magic/namespace.
No, that's completly backwards. We move up ioctls that have prooven
to be generally useful to common code, and we've done that with various
extN and XFS ones already.
prev parent reply other threads:[~2015-08-26 13:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1440516829-116041-1-git-send-email-tao.peng@primarydata.com>
[not found] ` <1440516829-116041-1-git-send-email-tao.peng-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org>
2015-08-25 15:33 ` [PATCH RFC 01/11] vfs: pull btrfs clone API to vfs layer Peng Tao
2015-08-26 1:40 ` Peng Tao
2015-08-26 1:50 ` Dave Chinner
2015-08-26 1:59 ` Dave Chinner
2015-08-26 4:09 ` Darrick J. Wong
[not found] ` <20150826040943.GC10038-PTl6brltDGh4DFYR7WNSRA@public.gmane.org>
2015-08-26 8:03 ` Peng Tao
2015-08-25 15:33 ` [PATCH RFC 02/11] vfs/btrfs: add .clone_range file operation Peng Tao
[not found] ` <1440516829-116041-3-git-send-email-tao.peng-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org>
2015-08-26 8:01 ` David Sterba
[not found] ` <20150826080111.GV10756-1ReQVI26iDCaZKY3DrU6dA@public.gmane.org>
2015-08-26 8:31 ` Peng Tao
[not found] ` <CAKVebiWy6S4ri8_V+SuT+mnyTKjiubPS49k3LHF2Csh2TVf_SQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-26 13:00 ` David Sterba
2015-08-26 13:07 ` Christoph Hellwig [this message]
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