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-rw-r--r--fs/ocfs2/journal.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 4939c04290ca..5585dde91344 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -458,6 +458,16 @@ static inline int ocfs2_rename_credits(struct super_block *sb)
#define OCFS2_DX_ROOT_REMOVE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + \
OCFS2_SUBALLOC_FREE)
+static inline int ocfs2_calc_dxi_expand_credits(struct super_block *sb)
+{
+ int credits = 1 + OCFS2_SUBALLOC_ALLOC;
+
+ credits += ocfs2_clusters_to_blocks(sb, 1);
+ credits += ocfs2_quota_trans_credits(sb);
+
+ return credits;
+}
+
/*
* Please note that the caller must make sure that root_el is the root
* of extent tree. So for an inode, it should be &fe->id2.i_list. Otherwise