Re: [PATCH 05/14] xfs: implement iomap based buffered write path

xfs

Re: [PATCH 05/14] xfs: implement iomap based buffered write path

To:	Christoph Hellwig <hch@xxxxxx>
Subject:	Re: [PATCH 05/14] xfs: implement iomap based buffered write path
From:	Bob Peterson <rpeterso@xxxxxxxxxx>
Date:	Thu, 5 May 2016 13:55:14 -0400 (EDT)
Cc:	xfs@xxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx
Delivered-to:	xfs@xxxxxxxxxxx
In-reply-to:	<1462310947-16132-6-git-send-email-hch@xxxxxx>
References:	<1462310947-16132-1-git-send-email-hch@xxxxxx> <1462310947-16132-6-git-send-email-hch@xxxxxx>
Thread-index:	ZAi0goBifUTzaCEVM+EiVzix6k4QBw==
Thread-topic:	implement iomap based buffered write path

----- Original Message -----
> Convert XFS to use the new iomap based multipage write path. This involves
> implementing the ->iomap_begin and ->iomap_end methods, and switching the
> buffered file write, page_mkwrite and xfs_iozero paths to the new iomap
> helpers.
> 
> With this change __xfs_get_blocks will never be used for buffered writes,
> and the code handling them can be removed.
> 
> Based on earlier code from Dave Chinner.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  fs/xfs/Kconfig     |   1 +
>  fs/xfs/xfs_aops.c  | 212
>  -----------------------------------------------------
>  fs/xfs/xfs_file.c  |  71 ++++++++----------
>  fs/xfs/xfs_iomap.c | 144 ++++++++++++++++++++++++++++++++++++
>  fs/xfs/xfs_iomap.h |   5 +-
>  fs/xfs/xfs_iops.c  |   9 ++-
>  fs/xfs/xfs_trace.h |   3 +
>  7 files changed, 187 insertions(+), 258 deletions(-)
> 

Reviewed-by: Bob Peterson <rpeterso@xxxxxxxxxx>

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iomap infrastructure and multipage writes V3, Christoph Hellwig [PATCH 01/14] fs: move struct iomap from exportfs.h to a separate header, Christoph Hellwig Re: [PATCH 01/14] fs: move struct iomap from exportfs.h to a separate header, Bob Peterson [PATCH 02/14] fs: introduce iomap infrastructure, Christoph Hellwig Re: [PATCH 02/14] fs: introduce iomap infrastructure, Bob Peterson [PATCH 03/14] xfs: make xfs_bmbt_to_iomap available outside of xfs_pnfs.c, Christoph Hellwig Re: [PATCH 03/14] xfs: make xfs_bmbt_to_iomap available outside of xfs_pnfs.c, Bob Peterson [PATCH 04/14] xfs: reorder zeroing and flushing sequence in truncate, Christoph Hellwig Re: [PATCH 04/14] xfs: reorder zeroing and flushing sequence in truncate, Bob Peterson [PATCH 05/14] xfs: implement iomap based buffered write path, Christoph Hellwig Re: [PATCH 05/14] xfs: implement iomap based buffered write path, Bob Peterson <= [PATCH 06/14] xfs: remove buffered write support from __xfs_get_blocks, Christoph Hellwig Re: [PATCH 06/14] xfs: remove buffered write support from __xfs_get_blocks, Bob Peterson [PATCH 07/14] fs: iomap based fiemap implementation, Christoph Hellwig [PATCH 08/14] xfs: use iomap fiemap implementation, Christoph Hellwig [PATCH 09/14] iomap: support DAX based zeroing, Christoph Hellwig [PATCH 10/14] xfs: use iomap infrastructure for DAX zeroing, Christoph Hellwig [PATCH 11/14] xfs: handle 64-bit length in xfs_iozero, Christoph Hellwig [PATCH 12/14] xfs: use xfs_zero_range in xfs_zero_eof, Christoph Hellwig [PATCH 13/14] xfs: split xfs_free_file_space in manageable pieces, Christoph Hellwig [PATCH 14/14] xfs: kill xfs_zero_remaining_bytes, Christoph Hellwig

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