From: Gao Xiang <hsiangkao@linux.alibaba.com>
To: David Howells <dhowells@redhat.com>, Jens Axboe <axboe@kernel.dk>,
Al Viro <viro@zeniv.linux.org.uk>,
Christoph Hellwig <hch@infradead.org>
Cc: linux-erofs@lists.ozlabs.org, linux-block@vger.kernel.org,
Hillf Danton <hdanton@sina.com>, Jan Kara <jack@suse.cz>,
linux-xfs@vger.kernel.org, David Hildenbrand <david@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Jeff Layton <jlayton@kernel.org>,
Christian Brauner <brauner@kernel.org>,
Matthew Wilcox <willy@infradead.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Jason Gunthorpe <jgg@nvidia.com>,
linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
Logan Gunthorpe <logang@deltatee.com>,
Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v21 08/30] splice: Make splice from a DAX file use copy_splice_read()
Date: Sun, 21 May 2023 22:55:25 +0800 [thread overview]
Message-ID: <d4ed0a75-f71c-ef42-7845-c1fa78b36fa7@linux.alibaba.com> (raw)
In-Reply-To: <20230520000049.2226926-9-dhowells@redhat.com>
On 2023/5/20 17:00, David Howells wrote:
> Make a read splice from a DAX file go directly to copy_splice_read() to do
> the reading as filemap_splice_read() is unlikely to find any pagecache to
> splice.
>
> I think this affects only erofs, Ext2, Ext4, fuse and XFS.
>
> Signed-off-by: David Howells <dhowells@redhat.com>
> cc: Christoph Hellwig <hch@lst.de>
> cc: Al Viro <viro@zeniv.linux.org.uk>
> cc: Jens Axboe <axboe@kernel.dk>
> cc: linux-erofs@lists.ozlabs.org
> cc: linux-ext4@vger.kernel.org
> cc: linux-xfs@vger.kernel.org
> cc: linux-fsdevel@vger.kernel.org
> cc: linux-block@vger.kernel.org
> cc: linux-mm@kvack.org
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Thanks,
Gao Xiang
next prev parent reply other threads:[~2023-05-21 14:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230520000049.2226926-1-dhowells@redhat.com>
2023-05-20 0:00 ` [PATCH v21 08/30] splice: Make splice from a DAX file use copy_splice_read() David Howells
2023-05-20 4:11 ` Christoph Hellwig
2023-05-20 9:41 ` Christian Brauner
2023-05-21 0:28 ` Theodore Ts'o
2023-05-21 14:55 ` Gao Xiang [this message]
2023-05-20 0:00 ` [PATCH v21 24/30] xfs: Provide a splice-read stub David Howells
2023-05-20 4:13 ` Christoph Hellwig
2023-05-20 0:00 ` [PATCH v21 25/30] zonefs: " David Howells
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