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" }, \ 261a7ed271SDarrick J. Wong { XFS_DQTYPE_GROUP, "GROUP" } 271a7ed271SDarrick J. Wong 2884be0ffcSDave Chinner /* 2984be0ffcSDave Chinner * flags for q_flags field in the dquot. 3084be0ffcSDave Chinner */ 311a7ed271SDarrick J. Wong #define XFS_DQFLAG_DIRTY (1 << 0) /* dquot is dirty */ 321a7ed271SDarrick J. Wong #define XFS_DQFLAG_FREEING (1 << 1) /* dquot is being torn down */ 3384be0ffcSDave Chinner 34985a78fdSDarrick J. Wong #define XFS_DQFLAG_STRINGS \ 35985a78fdSDarrick J. Wong { XFS_DQFLAG_DIRTY, "DIRTY" }, \ 36985a78fdSDarrick J. Wong { XFS_DQFLAG_FREEING, "FREEING" } 3784be0ffcSDave Chinner 3884be0ffcSDave Chinner /* 3984be0ffcSDave Chinner * We have the possibility of all three quota types being active at once, and 4084be0ffcSDave Chinner * hence free space modification requires modification of all three current 4184be0ffcSDave Chinner * dquots in a single transaction. For this case we need to have a reservation 4284be0ffcSDave Chinner * of at least 3 dquots. 4384be0ffcSDave Chinner * 4484be0ffcSDave Chinner * However, a chmod operation can change both UID and GID in a single 4584be0ffcSDave Chinner * transaction, resulting in requiring {old, new} x {uid, gid} dquots to be 4684be0ffcSDave Chinner * modified. Hence for this case we need to reserve space for at least 4 dquots. 4784be0ffcSDave Chinner * 4884be0ffcSDave Chinner * And in the worst case, there's a rename operation that can be modifying up to 4984be0ffcSDave Chinner * 4 inodes with dquots attached to them. In reality, the only inodes that can 5084be0ffcSDave Chinner * have their dquots modified are the source and destination directory inodes 5184be0ffcSDave Chinner * due to directory name creation and removal. That can require space allocation 5284be0ffcSDave Chinner * and/or freeing on both directory inodes, and hence all three dquots on each 5384be0ffcSDave Chinner * inode can be modified. And if the directories are world writeable, all the 5484be0ffcSDave Chinner * dquots can be unique and so 6 dquots can be modified.... 5584be0ffcSDave Chinner * 5684be0ffcSDave Chinner * And, of course, we also need to take into account the dquot log format item 5784be0ffcSDave Chinner * used to describe each dquot. 5884be0ffcSDave Chinner */ 5984be0ffcSDave Chinner #define XFS_DQUOT_LOGRES(mp) \ 6084be0ffcSDave Chinner ((sizeof(struct xfs_dq_logformat) + sizeof(struct xfs_disk_dquot)) * 6) 6184be0ffcSDave Chinner 6284be0ffcSDave Chinner #define XFS_IS_QUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ACCT) 6384be0ffcSDave Chinner #define XFS_IS_UQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_UQUOTA_ACCT) 6484be0ffcSDave Chinner #define XFS_IS_PQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_PQUOTA_ACCT) 6584be0ffcSDave Chinner #define XFS_IS_GQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_GQUOTA_ACCT) 6684be0ffcSDave Chinner #define XFS_IS_UQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_UQUOTA_ENFD) 6784be0ffcSDave Chinner #define XFS_IS_GQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_GQUOTA_ENFD) 6884be0ffcSDave Chinner #define XFS_IS_PQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_PQUOTA_ENFD) 6984be0ffcSDave Chinner 7084be0ffcSDave Chinner /* 7184be0ffcSDave Chinner * Incore only flags for quotaoff - these bits get cleared when quota(s) 7284be0ffcSDave Chinner * are in the process of getting turned off. These flags are in m_qflags but 7384be0ffcSDave Chinner * never in sb_qflags. 7484be0ffcSDave Chinner */ 7584be0ffcSDave Chinner #define XFS_UQUOTA_ACTIVE 0x1000 /* uquotas are being turned off */ 7684be0ffcSDave Chinner #define XFS_GQUOTA_ACTIVE 0x2000 /* gquotas are being turned off */ 7784be0ffcSDave Chinner #define XFS_PQUOTA_ACTIVE 0x4000 /* pquotas are being turned off */ 7884be0ffcSDave Chinner #define XFS_ALL_QUOTA_ACTIVE \ 7984be0ffcSDave Chinner (XFS_UQUOTA_ACTIVE | XFS_GQUOTA_ACTIVE | XFS_PQUOTA_ACTIVE) 8084be0ffcSDave Chinner 8184be0ffcSDave Chinner /* 8284be0ffcSDave Chinner * Checking XFS_IS_*QUOTA_ON() while holding any inode lock guarantees 8384be0ffcSDave Chinner * quota will be not be switched off as long as that inode lock is held. 8484be0ffcSDave Chinner */ 8584be0ffcSDave Chinner #define XFS_IS_QUOTA_ON(mp) ((mp)->m_qflags & (XFS_UQUOTA_ACTIVE | \ 8684be0ffcSDave Chinner XFS_GQUOTA_ACTIVE | \ 8784be0ffcSDave Chinner XFS_PQUOTA_ACTIVE)) 8884be0ffcSDave Chinner #define XFS_IS_UQUOTA_ON(mp) ((mp)->m_qflags & XFS_UQUOTA_ACTIVE) 8984be0ffcSDave Chinner #define XFS_IS_GQUOTA_ON(mp) ((mp)->m_qflags & XFS_GQUOTA_ACTIVE) 9084be0ffcSDave Chinner #define XFS_IS_PQUOTA_ON(mp) ((mp)->m_qflags & XFS_PQUOTA_ACTIVE) 9184be0ffcSDave Chinner 9284be0ffcSDave Chinner /* 9384be0ffcSDave Chinner * Flags to tell various functions what to do. Not all of these are meaningful 9484be0ffcSDave Chinner * to a single function. None of these XFS_QMOPT_* flags are meant to have 9584be0ffcSDave Chinner * persistent values (ie. their values can and will change between versions) 9684be0ffcSDave Chinner */ 9784be0ffcSDave Chinner #define XFS_QMOPT_UQUOTA 0x0000004 /* user dquot requested */ 9884be0ffcSDave Chinner #define XFS_QMOPT_PQUOTA 0x0000008 /* project dquot requested */ 9984be0ffcSDave Chinner #define XFS_QMOPT_FORCE_RES 0x0000010 /* ignore quota limits */ 10084be0ffcSDave Chinner #define XFS_QMOPT_SBVERSION 0x0000040 /* change superblock version num */ 10184be0ffcSDave Chinner #define XFS_QMOPT_GQUOTA 0x0002000 /* group dquot requested */ 10284be0ffcSDave Chinner 10384be0ffcSDave Chinner /* 10484be0ffcSDave Chinner * flags to xfs_trans_mod_dquot to indicate which field needs to be 10584be0ffcSDave Chinner * modified. 10684be0ffcSDave Chinner */ 10784be0ffcSDave Chinner #define XFS_QMOPT_RES_REGBLKS 0x0010000 10884be0ffcSDave Chinner #define XFS_QMOPT_RES_RTBLKS 0x0020000 10984be0ffcSDave Chinner #define XFS_QMOPT_BCOUNT 0x0040000 11084be0ffcSDave Chinner #define XFS_QMOPT_ICOUNT 0x0080000 11184be0ffcSDave Chinner #define XFS_QMOPT_RTBCOUNT 0x0100000 11284be0ffcSDave Chinner #define XFS_QMOPT_DELBCOUNT 0x0200000 11384be0ffcSDave Chinner #define XFS_QMOPT_DELRTBCOUNT 0x0400000 11484be0ffcSDave Chinner #define XFS_QMOPT_RES_INOS 0x0800000 11584be0ffcSDave Chinner 11684be0ffcSDave Chinner /* 11784be0ffcSDave Chinner * flags for dqalloc. 11884be0ffcSDave Chinner */ 11984be0ffcSDave Chinner #define XFS_QMOPT_INHERIT 0x1000000 12084be0ffcSDave Chinner 12184be0ffcSDave Chinner /* 12284be0ffcSDave Chinner * flags to xfs_trans_mod_dquot. 12384be0ffcSDave Chinner */ 12484be0ffcSDave Chinner #define XFS_TRANS_DQ_RES_BLKS XFS_QMOPT_RES_REGBLKS 12584be0ffcSDave Chinner #define XFS_TRANS_DQ_RES_RTBLKS XFS_QMOPT_RES_RTBLKS 12684be0ffcSDave Chinner #define XFS_TRANS_DQ_RES_INOS XFS_QMOPT_RES_INOS 12784be0ffcSDave Chinner #define XFS_TRANS_DQ_BCOUNT XFS_QMOPT_BCOUNT 12884be0ffcSDave Chinner #define XFS_TRANS_DQ_DELBCOUNT XFS_QMOPT_DELBCOUNT 12984be0ffcSDave Chinner #define XFS_TRANS_DQ_ICOUNT XFS_QMOPT_ICOUNT 13084be0ffcSDave Chinner #define XFS_TRANS_DQ_RTBCOUNT XFS_QMOPT_RTBCOUNT 13184be0ffcSDave Chinner #define XFS_TRANS_DQ_DELRTBCOUNT XFS_QMOPT_DELRTBCOUNT 13284be0ffcSDave Chinner 13384be0ffcSDave Chinner 13484be0ffcSDave Chinner #define XFS_QMOPT_QUOTALL \ 13584be0ffcSDave Chinner (XFS_QMOPT_UQUOTA | XFS_QMOPT_PQUOTA | XFS_QMOPT_GQUOTA) 13684be0ffcSDave Chinner #define XFS_QMOPT_RESBLK_MASK (XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_RES_RTBLKS) 13784be0ffcSDave Chinner 138eebf3cabSDarrick J. Wong extern xfs_failaddr_t xfs_dquot_verify(struct xfs_mount *mp, 139f9751c4aSDarrick J. Wong struct xfs_disk_dquot *ddq, xfs_dqid_t id); 1407224fa48SEric Sandeen extern xfs_failaddr_t xfs_dqblk_verify(struct xfs_mount *mp, 141f9751c4aSDarrick J. Wong struct xfs_dqblk *dqb, xfs_dqid_t id); 14284be0ffcSDave Chinner extern int xfs_calc_dquots_per_chunk(unsigned int nbblks); 14391083269SEric Sandeen extern void xfs_dqblk_repair(struct xfs_mount *mp, struct xfs_dqblk *dqb, 1441a7ed271SDarrick J. Wong xfs_dqid_t id, xfs_dqtype_t type); 14584be0ffcSDave Chinner 1469f99c8feSDarrick J. Wong struct xfs_dquot; 1479f99c8feSDarrick J. Wong time64_t xfs_dquot_from_disk_ts(struct xfs_disk_dquot *ddq, 1489f99c8feSDarrick J. Wong __be32 dtimer); 1499f99c8feSDarrick J. Wong __be32 xfs_dquot_to_disk_ts(struct xfs_dquot *ddq, time64_t timer); 1509f99c8feSDarrick J. Wong 15184be0ffcSDave Chinner #endif /* __XFS_QUOTA_H__ */ 152