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