From f99b9b7ccf6a691f653cec45f36bfdd1e94769c7 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 19:36:33 -0700 Subject: ocfs2: Make ocfs2_extent_tree the first-class representation of a tree. We now have three different kinds of extent trees in ocfs2: inode data (dinode), extended attributes (xattr_tree), and extended attribute values (xattr_value). There is a nice abstraction for them, ocfs2_extent_tree, but it is hidden in alloc.c. All the calling functions have to pick amongst a varied API and pass in type bits and often extraneous pointers. A better way is to make ocfs2_extent_tree a first-class object. Everyone converts their object to an ocfs2_extent_tree() via the ocfs2_get_*_extent_tree() calls, then uses the ocfs2_extent_tree for all tree calls to alloc.c. This simplifies a lot of callers, making for readability. It also provides an easy way to add additional extent tree types, as they only need to be defined in alloc.c with a ocfs2_get__extent_tree() function. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/suballoc.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) (limited to 'fs/ocfs2/suballoc.c') diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index f1871ca8381..8d3947e94a2 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -1914,12 +1914,11 @@ static inline void ocfs2_debug_suballoc_inode(struct ocfs2_dinode *fe) * File systems which don't support holes call this from * ocfs2_extend_allocation(). */ -int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el, +int ocfs2_lock_allocators(struct inode *inode, + struct ocfs2_extent_tree *et, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, - struct ocfs2_alloc_context **meta_ac, - enum ocfs2_extent_tree_type type, void *private) + struct ocfs2_alloc_context **meta_ac) { int ret = 0, num_free_extents; unsigned int max_recs_needed = clusters_to_add + 2 * extents_to_split; @@ -1931,8 +1930,7 @@ int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, BUG_ON(clusters_to_add != 0 && data_ac == NULL); - num_free_extents = ocfs2_num_free_extents(osb, inode, root_bh, - type, private); + num_free_extents = ocfs2_num_free_extents(osb, inode, et); if (num_free_extents < 0) { ret = num_free_extents; mlog_errno(ret); @@ -1954,7 +1952,7 @@ int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, */ if (!num_free_extents || (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed)) { - ret = ocfs2_reserve_new_metadata(osb, root_el, meta_ac); + ret = ocfs2_reserve_new_metadata(osb, et->et_root_el, meta_ac); if (ret < 0) { if (ret != -ENOSPC) mlog_errno(ret); -- cgit v1.2.3