10b61f8a4SDave Chinner // SPDX-License-Identifier: GPL-2.0 284be0ffcSDave Chinner /* 384be0ffcSDave Chinner * Copyright (c) 2000-2005 Silicon Graphics, Inc. 484be0ffcSDave Chinner * All Rights Reserved. 584be0ffcSDave Chinner */ 684be0ffcSDave Chinner #ifndef __XFS_QUOTA_DEFS_H__ 784be0ffcSDave Chinner #define __XFS_QUOTA_DEFS_H__ 884be0ffcSDave Chinner 984be0ffcSDave Chinner /* 1084be0ffcSDave Chinner * Quota definitions shared between user and kernel source trees. 1184be0ffcSDave Chinner */ 1284be0ffcSDave Chinner 1384be0ffcSDave Chinner /* 1484be0ffcSDave Chinner * Even though users may not have quota limits occupying all 64-bits, 1584be0ffcSDave Chinner * they may need 64-bit accounting. Hence, 64-bit quota-counters, 1684be0ffcSDave Chinner * and quota-limits. This is a waste in the common case, but hey ... 1784be0ffcSDave Chinner */ 18c8ce540dSDarrick J. Wong typedef uint64_t xfs_qcnt_t; 19c8ce540dSDarrick J. Wong typedef uint16_t xfs_qwarncnt_t; 2084be0ffcSDave Chinner 211a7ed271SDarrick J. Wong typedef uint8_t xfs_dqtype_t; 221a7ed271SDarrick J. Wong 231a7ed271SDarrick J. Wong #define XFS_DQTYPE_STRINGS \ 241a7ed271SDarrick J. Wong { XFS_DQTYPE_USER, "USER" }, \ 251a7ed271SDarrick J. Wong { XFS_DQTYPE_PROJ, "PROJ" }, \ 264ea1ff3bSDarrick J. Wong { XFS_DQTYPE_GROUP, "GROUP" }, \ 274ea1ff3bSDarrick J. Wong { XFS_DQTYPE_BIGTIME, "BIGTIME" } 281a7ed271SDarrick J. Wong 2984be0ffcSDave Chinner /* 3084be0ffcSDave Chinner * flags for q_flags field in the dquot. 3184be0ffcSDave Chinner */ 32*1005dd01SDave Chinner #define XFS_DQFLAG_DIRTY (1u << 0) /* dquot is dirty */ 33*1005dd01SDave Chinner #define XFS_DQFLAG_FREEING (1u << 1) /* dquot is being torn down */ 3484be0ffcSDave Chinner 35985a78fdSDarrick J. Wong #define XFS_DQFLAG_STRINGS \ 36985a78fdSDarrick J. Wong { XFS_DQFLAG_DIRTY, "DIRTY" }, \ 37985a78fdSDarrick J. Wong { XFS_DQFLAG_FREEING, "FREEING" } 3884be0ffcSDave Chinner 3984be0ffcSDave Chinner /* 4084be0ffcSDave Chinner * We have the possibility of all three quota types being active at once, and 4184be0ffcSDave Chinner * hence free space modification requires modification of all three current 4284be0ffcSDave Chinner * dquots in a single transaction. For this case we need to have a reservation 4384be0ffcSDave Chinner * of at least 3 dquots. 4484be0ffcSDave Chinner * 4584be0ffcSDave Chinner * However, a chmod operation can change both UID and GID in a single 4684be0ffcSDave Chinner * transaction, resulting in requiring {old, new} x {uid, gid} dquots to be 4784be0ffcSDave Chinner * modified. Hence for this case we need to reserve space for at least 4 dquots. 4884be0ffcSDave Chinner * 4984be0ffcSDave Chinner * And in the worst case, there's a rename operation that can be modifying up to 5084be0ffcSDave Chinner * 4 inodes with dquots attached to them. In reality, the only inodes that can 5184be0ffcSDave Chinner * have their dquots modified are the source and destination directory inodes 5284be0ffcSDave Chinner * due to directory name creation and removal. That can require space allocation 5384be0ffcSDave Chinner * and/or freeing on both directory inodes, and hence all three dquots on each 5484be0ffcSDave Chinner * inode can be modified. And if the directories are world writeable, all the 5584be0ffcSDave Chinner * dquots can be unique and so 6 dquots can be modified.... 5684be0ffcSDave Chinner * 5784be0ffcSDave Chinner * And, of course, we also need to take into account the dquot log format item 5884be0ffcSDave Chinner * used to describe each dquot. 5984be0ffcSDave Chinner */ 6084be0ffcSDave Chinner #define XFS_DQUOT_LOGRES(mp) \ 6184be0ffcSDave Chinner ((sizeof(struct xfs_dq_logformat) + sizeof(struct xfs_disk_dquot)) * 6) 6284be0ffcSDave Chinner 63149e53afSChristoph Hellwig #define XFS_IS_QUOTA_ON(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ACCT) 64149e53afSChristoph Hellwig #define XFS_IS_UQUOTA_ON(mp) ((mp)->m_qflags & XFS_UQUOTA_ACCT) 65149e53afSChristoph Hellwig #define XFS_IS_PQUOTA_ON(mp) ((mp)->m_qflags & XFS_PQUOTA_ACCT) 66149e53afSChristoph Hellwig #define XFS_IS_GQUOTA_ON(mp) ((mp)->m_qflags & XFS_GQUOTA_ACCT) 6784be0ffcSDave Chinner #define XFS_IS_UQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_UQUOTA_ENFD) 6884be0ffcSDave Chinner #define XFS_IS_GQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_GQUOTA_ENFD) 6984be0ffcSDave Chinner #define XFS_IS_PQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_PQUOTA_ENFD) 7084be0ffcSDave Chinner 7184be0ffcSDave Chinner /* 7284be0ffcSDave Chinner * Flags to tell various functions what to do. Not all of these are meaningful 7384be0ffcSDave Chinner * to a single function. None of these XFS_QMOPT_* flags are meant to have 7484be0ffcSDave Chinner * persistent values (ie. their values can and will change between versions) 7584be0ffcSDave Chinner */ 7684be0ffcSDave Chinner #define XFS_QMOPT_UQUOTA 0x0000004 /* user dquot requested */ 7784be0ffcSDave Chinner #define XFS_QMOPT_PQUOTA 0x0000008 /* project dquot requested */ 7884be0ffcSDave Chinner #define XFS_QMOPT_FORCE_RES 0x0000010 /* ignore quota limits */ 7984be0ffcSDave Chinner #define XFS_QMOPT_SBVERSION 0x0000040 /* change superblock version num */ 8084be0ffcSDave Chinner #define XFS_QMOPT_GQUOTA 0x0002000 /* group dquot requested */ 8184be0ffcSDave Chinner 8284be0ffcSDave Chinner /* 8384be0ffcSDave Chinner * flags to xfs_trans_mod_dquot to indicate which field needs to be 8484be0ffcSDave Chinner * modified. 8584be0ffcSDave Chinner */ 8684be0ffcSDave Chinner #define XFS_QMOPT_RES_REGBLKS 0x0010000 8784be0ffcSDave Chinner #define XFS_QMOPT_RES_RTBLKS 0x0020000 8884be0ffcSDave Chinner #define XFS_QMOPT_BCOUNT 0x0040000 8984be0ffcSDave Chinner #define XFS_QMOPT_ICOUNT 0x0080000 9084be0ffcSDave Chinner #define XFS_QMOPT_RTBCOUNT 0x0100000 9184be0ffcSDave Chinner #define XFS_QMOPT_DELBCOUNT 0x0200000 9284be0ffcSDave Chinner #define XFS_QMOPT_DELRTBCOUNT 0x0400000 9384be0ffcSDave Chinner #define XFS_QMOPT_RES_INOS 0x0800000 9484be0ffcSDave Chinner 9584be0ffcSDave Chinner /* 9684be0ffcSDave Chinner * flags for dqalloc. 9784be0ffcSDave Chinner */ 9884be0ffcSDave Chinner #define XFS_QMOPT_INHERIT 0x1000000 9984be0ffcSDave Chinner 10084be0ffcSDave Chinner /* 10184be0ffcSDave Chinner * flags to xfs_trans_mod_dquot. 10284be0ffcSDave Chinner */ 10384be0ffcSDave Chinner #define XFS_TRANS_DQ_RES_BLKS XFS_QMOPT_RES_REGBLKS 10484be0ffcSDave Chinner #define XFS_TRANS_DQ_RES_RTBLKS XFS_QMOPT_RES_RTBLKS 10584be0ffcSDave Chinner #define XFS_TRANS_DQ_RES_INOS XFS_QMOPT_RES_INOS 10684be0ffcSDave Chinner #define XFS_TRANS_DQ_BCOUNT XFS_QMOPT_BCOUNT 10784be0ffcSDave Chinner #define XFS_TRANS_DQ_DELBCOUNT XFS_QMOPT_DELBCOUNT 10884be0ffcSDave Chinner #define XFS_TRANS_DQ_ICOUNT XFS_QMOPT_ICOUNT 10984be0ffcSDave Chinner #define XFS_TRANS_DQ_RTBCOUNT XFS_QMOPT_RTBCOUNT 11084be0ffcSDave Chinner #define XFS_TRANS_DQ_DELRTBCOUNT XFS_QMOPT_DELRTBCOUNT 11184be0ffcSDave Chinner 11284be0ffcSDave Chinner 11384be0ffcSDave Chinner #define XFS_QMOPT_QUOTALL \ 11484be0ffcSDave Chinner (XFS_QMOPT_UQUOTA | XFS_QMOPT_PQUOTA | XFS_QMOPT_GQUOTA) 11584be0ffcSDave Chinner #define XFS_QMOPT_RESBLK_MASK (XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_RES_RTBLKS) 11684be0ffcSDave Chinner 117eebf3cabSDarrick J. Wong extern xfs_failaddr_t xfs_dquot_verify(struct xfs_mount *mp, 118f9751c4aSDarrick J. Wong struct xfs_disk_dquot *ddq, xfs_dqid_t id); 1197224fa48SEric Sandeen extern xfs_failaddr_t xfs_dqblk_verify(struct xfs_mount *mp, 120f9751c4aSDarrick J. Wong struct xfs_dqblk *dqb, xfs_dqid_t id); 12184be0ffcSDave Chinner extern int xfs_calc_dquots_per_chunk(unsigned int nbblks); 12291083269SEric Sandeen extern void xfs_dqblk_repair(struct xfs_mount *mp, struct xfs_dqblk *dqb, 1231a7ed271SDarrick J. Wong xfs_dqid_t id, xfs_dqtype_t type); 12484be0ffcSDave Chinner 1259f99c8feSDarrick J. Wong struct xfs_dquot; 1269f99c8feSDarrick J. Wong time64_t xfs_dquot_from_disk_ts(struct xfs_disk_dquot *ddq, 1279f99c8feSDarrick J. Wong __be32 dtimer); 1289f99c8feSDarrick J. Wong __be32 xfs_dquot_to_disk_ts(struct xfs_dquot *ddq, time64_t timer); 1299f99c8feSDarrick J. Wong 13084be0ffcSDave Chinner #endif /* __XFS_QUOTA_H__ */ 131