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authorTao Ma <tao.ma@oracle.com>2009-08-18 11:28:39 +0800
committerJoel Becker <joel.becker@oracle.com>2009-09-22 20:09:34 -0700
commit1aa75fea64bc26bda9be9b1b20ae253d7a481877 (patch)
tree5da0c235f1323b9771e44a18a5452c83c0969547 /fs/ocfs2/ocfs2.h
parent1823cb0b9fe5e6d48017ee3f92428f69c0235d87 (diff)
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op-kernel-dev-1aa75fea64bc26bda9be9b1b20ae253d7a481877.tar.gz
ocfs2: Add functions for extents refcounted.
Add function ocfs2_mark_extent_refcounted which can mark an extent refcounted. Signed-off-by: Tao Ma <tao.ma@oracle.com>
Diffstat (limited to 'fs/ocfs2/ocfs2.h')
-rw-r--r--fs/ocfs2/ocfs2.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index bb53573..eae4046 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -516,6 +516,13 @@ static inline void ocfs2_add_links_count(struct ocfs2_dinode *di, int n)
ocfs2_set_links_count(di, links);
}
+static inline int ocfs2_refcount_tree(struct ocfs2_super *osb)
+{
+ if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_REFCOUNT_TREE)
+ return 1;
+ return 0;
+}
+
/* set / clear functions because cluster events can make these happen
* in parallel so we want the transitions to be atomic. this also
* means that any future flags osb_flags must be protected by spinlock
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