1 files changed, 25 insertions, 0 deletions

diff --git a/fs/quota/quota_tree.h b/fs/quota/quota_tree.h
new file mode 100644
index 000000000000..a1ab8db81a51
--- /dev/null
+++ b/fs/quota/quota_tree.h
@@ -0,0 +1,25 @@
+/*
+ *      Definitions of structures for vfsv0 quota format
+ */
+
+#ifndef _LINUX_QUOTA_TREE_H
+#define _LINUX_QUOTA_TREE_H
+
+#include <linux/types.h>
+#include <linux/quota.h>
+
+/*
+ *  Structure of header of block with quota structures. It is padded to 16 bytes so
+ *  there will be space for exactly 21 quota-entries in a block
+ */
+struct qt_disk_dqdbheader {
+        __le32 dqdh_next_free;  /* Number of next block with free entry */
+        __le32 dqdh_prev_free;  /* Number of previous block with free entry */
+        __le16 dqdh_entries;    /* Number of valid entries in block */
+        __le16 dqdh_pad1;
+        __le32 dqdh_pad2;
+};
+
+#define QT_TREEOFF      1               /* Offset of tree in file in blocks */
+
+#endif /* _LINUX_QUOTAIO_TREE_H */