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authorTao Ma <tao.ma@oracle.com>2009-08-24 11:12:02 +0800
committerJoel Becker <joel.becker@oracle.com>2009-09-22 20:09:30 -0700
commit8bf396de984e68491569b49770e4fd7aca40ba65 (patch)
tree1c755fa7af20e14722378df729201e6f8497fadb /fs/ocfs2/journal.h
parent374a263e790c4de85844283c098810a92985f623 (diff)
downloadlinux-8bf396de984e68491569b49770e4fd7aca40ba65.tar.bz2
ocfs2: Basic tree root operation.
Add basic refcount tree root operation. Signed-off-by: Tao Ma <tao.ma@oracle.com>
Diffstat (limited to 'fs/ocfs2/journal.h')
-rw-r--r--fs/ocfs2/journal.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index b2dc125c6e9a..bd88c8b9f2fb 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -490,6 +490,20 @@ static inline int ocfs2_calc_dxi_expand_credits(struct super_block *sb)
return credits;
}
+/* inode update, new refcount block and its allocation credits. */
+#define OCFS2_REFCOUNT_TREE_CREATE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1 \
+ + OCFS2_SUBALLOC_ALLOC)
+
+/* inode and the refcount block update. */
+#define OCFS2_REFCOUNT_TREE_SET_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1)
+
+/*
+ * inode and the refcount block update.
+ * It doesn't include the credits for sub alloc change.
+ * So if we need to free the bit, OCFS2_SUBALLOC_FREE needs to be added.
+ */
+#define OCFS2_REFCOUNT_TREE_REMOVE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1)
+
/*
* 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