1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Definitions of structures for vfsv0 quota format 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _LINUX_QUOTA_TREE_H 7*4882a593Smuzhiyun #define _LINUX_QUOTA_TREE_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/types.h> 10*4882a593Smuzhiyun #include <linux/quota.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* 13*4882a593Smuzhiyun * Structure of header of block with quota structures. It is padded to 16 bytes so 14*4882a593Smuzhiyun * there will be space for exactly 21 quota-entries in a block 15*4882a593Smuzhiyun */ 16*4882a593Smuzhiyun struct qt_disk_dqdbheader { 17*4882a593Smuzhiyun __le32 dqdh_next_free; /* Number of next block with free entry */ 18*4882a593Smuzhiyun __le32 dqdh_prev_free; /* Number of previous block with free entry */ 19*4882a593Smuzhiyun __le16 dqdh_entries; /* Number of valid entries in block */ 20*4882a593Smuzhiyun __le16 dqdh_pad1; 21*4882a593Smuzhiyun __le32 dqdh_pad2; 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define QT_TREEOFF 1 /* Offset of tree in file in blocks */ 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #endif /* _LINUX_QUOTAIO_TREE_H */ 27