xref: /openbmc/linux/fs/quota/quota_tree.h (revision b2441318)
1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */
2884d179dSJan Kara /*
3884d179dSJan Kara  *	Definitions of structures for vfsv0 quota format
4884d179dSJan Kara  */
5884d179dSJan Kara 
6884d179dSJan Kara #ifndef _LINUX_QUOTA_TREE_H
7884d179dSJan Kara #define _LINUX_QUOTA_TREE_H
8884d179dSJan Kara 
9884d179dSJan Kara #include <linux/types.h>
10884d179dSJan Kara #include <linux/quota.h>
11884d179dSJan Kara 
12884d179dSJan Kara /*
13884d179dSJan Kara  *  Structure of header of block with quota structures. It is padded to 16 bytes so
14884d179dSJan Kara  *  there will be space for exactly 21 quota-entries in a block
15884d179dSJan Kara  */
16884d179dSJan Kara struct qt_disk_dqdbheader {
17884d179dSJan Kara 	__le32 dqdh_next_free;	/* Number of next block with free entry */
18884d179dSJan Kara 	__le32 dqdh_prev_free;	/* Number of previous block with free entry */
19884d179dSJan Kara 	__le16 dqdh_entries;	/* Number of valid entries in block */
20884d179dSJan Kara 	__le16 dqdh_pad1;
21884d179dSJan Kara 	__le32 dqdh_pad2;
22884d179dSJan Kara };
23884d179dSJan Kara 
24884d179dSJan Kara #define QT_TREEOFF	1		/* Offset of tree in file in blocks */
25884d179dSJan Kara 
26884d179dSJan Kara #endif /* _LINUX_QUOTAIO_TREE_H */
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