From 6cc87645e2a3c28d857b074e90bf88bfcd117afa Mon Sep 17 00:00:00 2001 From: Dave Chinner Date: Mon, 16 Mar 2009 08:29:46 +0100 Subject: xfs: factor out code to find the longest free extent in the AG Signed-off-by: Dave Chinner Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_alloc.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'fs/xfs/xfs_alloc.h') diff --git a/fs/xfs/xfs_alloc.h b/fs/xfs/xfs_alloc.h index 588172796f7b..e704caee10df 100644 --- a/fs/xfs/xfs_alloc.h +++ b/fs/xfs/xfs_alloc.h @@ -100,6 +100,12 @@ typedef struct xfs_alloc_arg { #define XFS_ALLOC_USERDATA 1 /* allocation is for user data*/ #define XFS_ALLOC_INITIAL_USER_DATA 2 /* special case start of file */ +/* + * Find the length of the longest extent in an AG. + */ +xfs_extlen_t +xfs_alloc_longest_free_extent(struct xfs_mount *mp, + struct xfs_perag *pag); #ifdef __KERNEL__ -- cgit v1.2.3-58-ga151