From 68a9f5e7007c1afa2cf6830b690a90d0187c0684 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 21 Jun 2016 09:53:44 +1000 Subject: 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 Reviewed-by: Bob Peterson Signed-off-by: Dave Chinner --- fs/xfs/xfs_iomap.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'fs/xfs/xfs_iomap.h') diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h index 718f07c5c0d2..e066d045e2ff 100644 --- a/fs/xfs/xfs_iomap.h +++ b/fs/xfs/xfs_iomap.h @@ -18,7 +18,8 @@ #ifndef __XFS_IOMAP_H__ #define __XFS_IOMAP_H__ -struct iomap; +#include + struct xfs_inode; struct xfs_bmbt_irec; @@ -33,4 +34,6 @@ int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t); void xfs_bmbt_to_iomap(struct xfs_inode *, struct iomap *, struct xfs_bmbt_irec *); +extern struct iomap_ops xfs_iomap_ops; + #endif /* __XFS_IOMAP_H__*/ -- cgit v1.2.3