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>
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index ca3d38a..441c6a9 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -512,12 +512,11 @@
int ret;
struct ocfs2_extent_tree et;
- ocfs2_get_dinode_extent_tree(&et, inode, fe_bh);
+ ocfs2_init_dinode_extent_tree(&et, inode, fe_bh);
ret = ocfs2_add_clusters_in_btree(osb, inode, logical_offset,
clusters_to_add, mark_unwritten,
&et, handle,
data_ac, meta_ac, reason_ret);
- ocfs2_put_extent_tree(&et);
return ret;
}
@@ -568,10 +567,9 @@
(unsigned long long)OCFS2_I(inode)->ip_blkno,
(long long)i_size_read(inode), le32_to_cpu(fe->i_clusters),
clusters_to_add);
- ocfs2_get_dinode_extent_tree(&et, inode, bh);
+ ocfs2_init_dinode_extent_tree(&et, inode, bh);
status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0,
&data_ac, &meta_ac);
- ocfs2_put_extent_tree(&et);
if (status) {
mlog_errno(status);
goto leave;
@@ -1243,11 +1241,10 @@
struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
struct ocfs2_extent_tree et;
- ocfs2_get_dinode_extent_tree(&et, inode, di_bh);
+ ocfs2_init_dinode_extent_tree(&et, inode, di_bh);
ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac);
if (ret) {
- ocfs2_put_extent_tree(&et);
mlog_errno(ret);
return ret;
}
@@ -1304,7 +1301,6 @@
if (meta_ac)
ocfs2_free_alloc_context(meta_ac);
- ocfs2_put_extent_tree(&et);
return ret;
}