From: Jeremy Allison <jra@samba.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Steve French <smfrench@gmail.com>,
CIFS <linux-cifs@vger.kernel.org>,
samba-technical <samba-technical@lists.samba.org>
Subject: Re: reflink support and Samba running over XFS
Date: Tue, 8 Nov 2022 09:51:40 -0800 [thread overview]
Message-ID: <Y2qXLNM5xvxZHuLQ@jeremy-acer> (raw)
In-Reply-To: <Y2n7lENy0jrUg7XD@infradead.org>
On Mon, Nov 07, 2022 at 10:47:48PM -0800, Christoph Hellwig wrote:
>On Mon, Nov 07, 2022 at 04:53:42PM -0800, Jeremy Allison via samba-technical wrote:
>> ret = ioctl(fsp_get_io_fd(dest_fsp), BTRFS_IOC_CLONE_RANGE, &cr_args);
>>
>> what ioctls are used for this in XFS ?
>>
>> We'd need a VFS module that implements them for XFS.
>
>That ioctl is now implemented in the Linux VFS and supported by btrfs,
>ocfs2, xfs, nfs (v4.2), cifs and overlayfs.
I'm assuming it's this:
https://man7.org/linux/man-pages/man2/ioctl_ficlonerange.2.html
Yeah ? I'll write some test code and see if I can get it
into the vfs_default code.
next prev parent reply other threads:[~2022-11-08 17:51 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-08 0:45 reflink support and Samba running over XFS Steve French
2022-11-08 0:53 ` Jeremy Allison
2022-11-08 6:47 ` Christoph Hellwig
2022-11-08 17:51 ` Jeremy Allison [this message]
2022-11-09 7:43 ` Christoph Hellwig
2022-11-09 9:32 ` Amir Goldstein
2022-11-09 18:38 ` Jeremy Allison
2022-11-09 18:47 ` Jeremy Allison
2022-11-09 19:24 ` Jeremy Allison
2022-11-09 22:30 ` David Disseldorp
2022-11-10 11:42 ` Christoph Hellwig
2022-11-10 15:05 ` David Disseldorp
2022-11-09 19:50 ` Amir Goldstein
2022-11-09 21:50 ` David Disseldorp
2022-11-10 11:41 ` Christoph Hellwig
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