From: Christoph Hellwig <hch@lst.de>
To: Shiyang Ruan <ruansy.fnst@cn.fujitsu.com>
Cc: Christoph Hellwig <hch@lst.de>,
Goldwyn Rodrigues <rgoldwyn@suse.de>,
linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org,
darrick.wong@oracle.com, david@fromorbit.com,
riteshh@linux.ibm.com
Subject: Re: [PATCH v3 0/15] Btrfs iomap
Date: Tue, 3 Sep 2019 08:21:00 +0200 [thread overview]
Message-ID: <20190903062100.GA16612@lst.de> (raw)
In-Reply-To: <4d039e8e-dc35-8092-4ee0-4a2e0f43f233@cn.fujitsu.com>
On Tue, Sep 03, 2019 at 11:51:24AM +0800, Shiyang Ruan wrote:
> The XFS part of dax CoW support has been implementing recently. Please
> review this[1] if necessary. It's based on this iomap patchset(the 1st
> version), and uses the new srcmap.
>
> [1]: https://lkml.org/lkml/2019/7/31/449
For the initial stage I'm not interested in DAX reflink support yet
(although that is also very interesting), just to make sure the
two iomap support is also used by the buffer write path for XFS,
removing the current hack where iomap_begin reports the data fork
mapping only and relies in ->writepage to handle that case.
next prev parent reply other threads:[~2019-09-03 6:21 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-01 20:08 [PATCH v3 0/15] Btrfs iomap Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 01/15] iomap: Introduce CONFIG_FS_IOMAP_DEBUG Goldwyn Rodrigues
2019-09-01 20:50 ` Darrick J. Wong
2019-09-02 16:29 ` Christoph Hellwig
2019-09-02 17:09 ` Darrick J. Wong
2019-09-02 17:18 ` Christoph Hellwig
2019-09-03 15:06 ` Darrick J. Wong
2019-09-01 20:08 ` [PATCH 02/15] iomap: Use a IOMAP_COW/srcmap for a read-modify-write I/O Goldwyn Rodrigues
2019-09-02 16:31 ` Christoph Hellwig
2019-09-03 3:18 ` Darrick J. Wong
2019-09-03 14:12 ` Goldwyn Rodrigues
2019-09-03 14:05 ` Goldwyn Rodrigues
2019-09-03 14:56 ` Darrick J. Wong
2019-09-01 20:08 ` [PATCH 03/15] iomap: Read page from srcmap for IOMAP_COW Goldwyn Rodrigues
2019-09-02 16:31 ` Christoph Hellwig
2019-09-02 17:01 ` Darrick J. Wong
2019-09-02 17:13 ` Christoph Hellwig
2019-09-01 20:08 ` [PATCH 04/15] btrfs: Eliminate PagePrivate for btrfs data pages Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 05/15] btrfs: Add a simple buffered iomap write Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 06/15] btrfs: Add CoW in iomap based writes Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 07/15] btrfs: remove buffered write code made unnecessary Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 08/15] fs: Export generic_file_buffered_read() Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 09/15] btrfs: basic direct read operation Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 10/15] btrfs: Carve out btrfs_get_extent_map_write() out of btrfs_get_blocks_write() Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 11/15] btrfs: Rename __endio_write_update_ordered() to btrfs_update_ordered_extent() Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 12/15] iomap: use a function pointer for dio submits Goldwyn Rodrigues
2019-09-02 16:41 ` Christoph Hellwig
2019-09-01 20:08 ` [PATCH 13/15] btrfs: Use iomap_dio_rw for performing direct I/O writes Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 14/15] btrfs: Remove btrfs_dio_data and __btrfs_direct_write Goldwyn Rodrigues
2019-09-01 20:08 ` [PATCH 15/15] btrfs: update inode size during bio completion Goldwyn Rodrigues
2019-09-02 16:43 ` [PATCH v3 0/15] Btrfs iomap Christoph Hellwig
2019-09-03 3:51 ` Shiyang Ruan
2019-09-03 4:29 ` Darrick J. Wong
2019-09-03 5:00 ` Shiyang Ruan
2019-09-03 6:21 ` Christoph Hellwig [this message]
2019-09-03 13:44 ` Goldwyn Rodrigues
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