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authorJoel Becker <joel.becker@oracle.com>2008-08-22 23:46:09 +0400
committerMark Fasheh <mfasheh@suse.com>2008-10-14 03:57:05 +0400
commit8d6220d6a74a33552cf877bcea25503d7f6a59e6 (patch)
tree2c3f662c55ab4a0a22989c06edf0d027387bfbed /fs/ocfs2/alloc.h
parent1625f8ac151743e452ec062c2989669c508ffa48 (diff)
downloadlinux-8d6220d6a74a33552cf877bcea25503d7f6a59e6.tar.xz
ocfs2: Change ocfs2_get_*_extent_tree() to ocfs2_init_*_extent_tree()
The original get/put_extent_tree() functions held a reference on et_root_bh. However, every single caller already has a safe reference, making the get/put cycle irrelevant. We change ocfs2_get_*_extent_tree() to ocfs2_init_*_extent_tree(). It no longer gets a reference on et_root_bh. ocfs2_put_extent_tree() is removed. Callers now have a simpler init+use pattern. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/alloc.h')
-rw-r--r--fs/ocfs2/alloc.h26
1 files changed, 12 insertions, 14 deletions
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h
index 35ad07f96104..70257c84cfbe 100644
--- a/fs/ocfs2/alloc.h
+++ b/fs/ocfs2/alloc.h
@@ -41,7 +41,7 @@
*
* ocfs2_extent_tree becomes the first-class object for extent tree
* manipulation. Callers of the alloc.c code need to fill it via one of
- * the ocfs2_get_*_extent_tree() operations below.
+ * the ocfs2_init_*_extent_tree() operations below.
*
* ocfs2_extent_tree contains info for the root of the b-tree, it must have a
* root ocfs2_extent_list and a root_bh so that they can be used in the b-tree
@@ -59,21 +59,19 @@ struct ocfs2_extent_tree {
};
/*
- * ocfs2_*_get_extent_tree() will fill an ocfs2_extent_tree from the
- * specified object buffer. The bh is referenced until
- * ocfs2_put_extent_tree().
+ * ocfs2_init_*_extent_tree() will fill an ocfs2_extent_tree from the
+ * specified object buffer.
*/
-void ocfs2_get_dinode_extent_tree(struct ocfs2_extent_tree *et,
- struct inode *inode,
- struct buffer_head *bh);
-void ocfs2_get_xattr_tree_extent_tree(struct ocfs2_extent_tree *et,
- struct inode *inode,
- struct buffer_head *bh);
-void ocfs2_get_xattr_value_extent_tree(struct ocfs2_extent_tree *et,
+void ocfs2_init_dinode_extent_tree(struct ocfs2_extent_tree *et,
+ struct inode *inode,
+ struct buffer_head *bh);
+void ocfs2_init_xattr_tree_extent_tree(struct ocfs2_extent_tree *et,
struct inode *inode,
- struct buffer_head *bh,
- struct ocfs2_xattr_value_root *xv);
-void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et);
+ struct buffer_head *bh);
+void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et,
+ struct inode *inode,
+ struct buffer_head *bh,
+ struct ocfs2_xattr_value_root *xv);
struct ocfs2_alloc_context;
int ocfs2_insert_extent(struct ocfs2_super *osb,