From: Matthew Wilcox <willy@infradead.org>
To: Olga Kornievskaia <olga.kornievskaia@gmail.com>
Cc: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com,
viro@zeniv.linux.org.uk, smfrench@gmail.com, miklos@szeredi.hu,
linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-cifs@vger.kernel.org, linux-unionfs@vger.kernel.org,
linux-man@vger.kernel.org
Subject: Re: [PATCH v4 01/11] VFS: move cross device copy_file_range() check into filesystems
Date: Fri, 26 Oct 2018 14:23:38 -0700 [thread overview]
Message-ID: <20181026212338.GX25444@bombadil.infradead.org> (raw)
In-Reply-To: <20181026201057.36899-2-olga.kornievskaia@gmail.com>
On Fri, Oct 26, 2018 at 04:10:46PM -0400, Olga Kornievskaia wrote:
> From: Olga Kornievskaia <kolga@netapp.com>
>
> This patch makes it the responsibility of individual filesystems to
> allow or deny cross device copies. Both NFS and CIFS have operations
> for cross-server copies, and later patches will implement this feature.
>
> Note that as of this patch, the copy_file_range() function might be passed
> superblocks from different filesystem types. -EXDEV should be returned
> if cross device copies aren't supported, causing the VFS to fall back
> on using do_splice_direct().
>
> Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Reviewed-by: Matthew Wilcox <willy@infradead.org>
next prev parent reply other threads:[~2018-10-27 6:02 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-26 20:10 [PATCH v4 00/11] client-side support for "inter" SSC copy Olga Kornievskaia
2018-10-26 20:10 ` [PATCH v4 01/11] VFS: move cross device copy_file_range() check into filesystems Olga Kornievskaia
2018-10-26 21:23 ` Matthew Wilcox [this message]
2018-10-26 22:10 ` Steve French
2018-10-27 9:09 ` Dave Chinner
2018-10-29 14:31 ` Olga Kornievskaia
2018-10-27 11:11 ` Jeff Layton
2018-10-26 20:10 ` [PATCH 1/1] man-page: copy_file_range(2) allow for cross-device copies Olga Kornievskaia
2018-10-27 9:12 ` Dave Chinner
2018-10-27 13:23 ` Matthew Wilcox
2018-10-28 1:33 ` Dave Chinner
2018-10-28 2:39 ` Matthew Wilcox
2018-10-29 14:25 ` Olga Kornievskaia
2018-10-29 15:52 ` Olga Kornievskaia
2018-10-29 17:49 ` Amir Goldstein
2018-10-26 20:10 ` [PATCH v4 02/11] VFS: copy_file_range check validity of input source offset Olga Kornievskaia
2018-10-26 21:26 ` Matthew Wilcox
2018-10-29 16:09 ` Olga Kornievskaia
2018-10-27 9:27 ` Dave Chinner
2018-10-29 14:41 ` Olga Kornievskaia
2018-10-30 9:03 ` Dave Chinner
2018-10-30 13:40 ` Olga Kornievskaia
2018-10-30 23:40 ` Dave Chinner
2018-10-30 21:10 ` Olga Kornievskaia
2018-10-30 21:12 ` Olga Kornievskaia
2018-10-31 0:14 ` Dave Chinner
2018-10-31 14:51 ` Olga Kornievskaia
2018-10-31 23:33 ` Dave Chinner
2018-10-26 20:10 ` [PATCH v4 03/11] NFS: NFSD defining nl4_servers structure needed by both Olga Kornievskaia
2018-10-27 11:14 ` Jeff Layton
2018-10-29 14:28 ` Olga Kornievskaia
2018-10-26 20:10 ` [PATCH v4 04/11] NFS: add COPY_NOTIFY operation Olga Kornievskaia
2018-10-26 20:10 ` [PATCH v4 05/11] NFS: add ca_source_server<> to COPY Olga Kornievskaia
2018-10-26 20:10 ` [PATCH v4 06/11] NFS: also send OFFLOAD_CANCEL to source server Olga Kornievskaia
2018-10-26 20:10 ` [PATCH v4 07/11] NFS: inter ssc open Olga Kornievskaia
2018-10-26 20:10 ` [PATCH v4 08/11] NFS: skip recovery of copy open on dest server Olga Kornievskaia
2018-10-26 20:10 ` [PATCH v4 09/11] NFS: for "inter" copy treat ESTALE as ENOTSUPP Olga Kornievskaia
2018-10-26 20:10 ` [PATCH v4 10/11] NFS: COPY handle ERR_OFFLOAD_DENIED Olga Kornievskaia
2018-10-26 20:10 ` [PATCH v4 11/11] NFS: replace cross device check in copy_file_range Olga Kornievskaia
2018-10-26 21:22 ` Matthew Wilcox
2018-10-27 11:08 ` Jeff Layton
2018-10-27 13:26 ` Matthew Wilcox
2018-10-29 14:28 ` Olga Kornievskaia
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