From 2fe4f92834c40e81945284b3eaf4610c4dd84e9d Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Thu, 7 Nov 2019 15:05:21 -0800 Subject: xfs: refactor "does this fork map blocks" predicate Replace the open-coded checks for whether or not an inode fork maps blocks with a macro that will implant the code for us. This helps us declutter the bmap code a bit. Note that I had to use a macro instead of a static inline function because of C header dependency problems between xfs_inode.h and xfs_inode_fork.h. Conversion was performed with the following Coccinelle script: @@ expression ip, w; @@ - XFS_IFORK_FORMAT(ip, w) == XFS_DINODE_FMT_EXTENTS || XFS_IFORK_FORMAT(ip, w) == XFS_DINODE_FMT_BTREE + xfs_ifork_has_extents(ip, w) @@ expression ip, w; @@ - XFS_IFORK_FORMAT(ip, w) != XFS_DINODE_FMT_EXTENTS && XFS_IFORK_FORMAT(ip, w) != XFS_DINODE_FMT_BTREE + !xfs_ifork_has_extents(ip, w) @@ expression ip, w; @@ - XFS_IFORK_FORMAT(ip, w) == XFS_DINODE_FMT_BTREE || XFS_IFORK_FORMAT(ip, w) == XFS_DINODE_FMT_EXTENTS + xfs_ifork_has_extents(ip, w) @@ expression ip, w; @@ - XFS_IFORK_FORMAT(ip, w) != XFS_DINODE_FMT_BTREE && XFS_IFORK_FORMAT(ip, w) != XFS_DINODE_FMT_EXTENTS + !xfs_ifork_has_extents(ip, w) @@ expression ip, w; @@ - (xfs_ifork_has_extents(ip, w)) + xfs_ifork_has_extents(ip, w) @@ expression ip, w; @@ - (!xfs_ifork_has_extents(ip, w)) + !xfs_ifork_has_extents(ip, w) Signed-off-by: Darrick J. Wong Reviewed-by: Christoph Hellwig --- fs/xfs/libxfs/xfs_inode_fork.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'fs/xfs/libxfs/xfs_inode_fork.h') diff --git a/fs/xfs/libxfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h index 7b845c052fb4..500333d0101e 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.h +++ b/fs/xfs/libxfs/xfs_inode_fork.h @@ -87,6 +87,10 @@ struct xfs_ifork { #define XFS_IFORK_MAXEXT(ip, w) \ (XFS_IFORK_SIZE(ip, w) / sizeof(xfs_bmbt_rec_t)) +#define xfs_ifork_has_extents(ip, w) \ + (XFS_IFORK_FORMAT((ip), (w)) == XFS_DINODE_FMT_EXTENTS || \ + XFS_IFORK_FORMAT((ip), (w)) == XFS_DINODE_FMT_BTREE) + struct xfs_ifork *xfs_iext_state_to_fork(struct xfs_inode *ip, int state); int xfs_iformat_fork(struct xfs_inode *, struct xfs_dinode *); -- cgit