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authorChristoph Hellwig <hch@lst.de>2016-06-21 09:53:44 +1000
committerDave Chinner <david@fromorbit.com>2016-06-21 09:53:44 +1000
commit68a9f5e7007c1afa2cf6830b690a90d0187c0684 (patch)
tree986de78ca7e20e49604faecccc95685ce52b4090 /fs/xfs/Kconfig
parentf0c6bcba74ac51cb77aadb33ad35cb2dc1ad1506 (diff)
downloadlinux-68a9f5e7007c1afa2cf6830b690a90d0187c0684.tar.bz2
xfs: implement iomap based buffered write path
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@lst.de> Reviewed-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/Kconfig')
-rw-r--r--fs/xfs/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig
index 5d47b4df61ea..35faf128f36d 100644
--- a/fs/xfs/Kconfig
+++ b/fs/xfs/Kconfig
@@ -4,6 +4,7 @@ config XFS_FS
depends on (64BIT || LBDAF)
select EXPORTFS
select LIBCRC32C
+ select FS_IOMAP
help
XFS is a high performance journaling filesystem which originated
on the SGI IRIX platform. It is completely multi-threaded, can