fs/quota/quota_tree.h

   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 */