1  /* SPDX-License-Identifier: GPL-2.0 */
2  /*
3   *	Definitions of structures for vfsv0 quota format
4   */
5  
6  #ifndef _LINUX_QUOTA_TREE_H
7  #define _LINUX_QUOTA_TREE_H
8  
9  #include <linux/types.h>
10  #include <linux/quota.h>
11  
12  /*
13   *  Structure of header of block with quota structures. It is padded to 16 bytes so
14   *  there will be space for exactly 21 quota-entries in a block
15   */
16  struct qt_disk_dqdbheader {
17  	__le32 dqdh_next_free;	/* Number of next block with free entry */
18  	__le32 dqdh_prev_free;	/* Number of previous block with free entry */
19  	__le16 dqdh_entries;	/* Number of valid entries in block */
20  	__le16 dqdh_pad1;
21  	__le32 dqdh_pad2;
22  };
23  
24  #define QT_TREEOFF	1		/* Offset of tree in file in blocks */
25  
26  #endif /* _LINUX_QUOTAIO_TREE_H */
27