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 2184be0ffcSDave Chinner /* 2284be0ffcSDave Chinner * flags for q_flags field in the dquot. 2384be0ffcSDave Chinner */ 2484be0ffcSDave Chinner #define XFS_DQ_USER 0x0001 /* a user quota */ 2584be0ffcSDave Chinner #define XFS_DQ_PROJ 0x0002 /* project quota */ 2684be0ffcSDave Chinner #define XFS_DQ_GROUP 0x0004 /* a group quota */ 2784be0ffcSDave Chinner #define XFS_DQ_DIRTY 0x0008 /* dquot is dirty */ 28296c24e2SEric Sandeen #define XFS_DQ_FREEING 0x0010 /* dquot is being torn down */ 2984be0ffcSDave Chinner 3084be0ffcSDave Chinner #define XFS_DQ_ALLTYPES (XFS_DQ_USER|XFS_DQ_PROJ|XFS_DQ_GROUP) 3184be0ffcSDave Chinner 3284be0ffcSDave Chinner #define XFS_DQ_FLAGS \ 3384be0ffcSDave Chinner { XFS_DQ_USER, "USER" }, \ 3484be0ffcSDave Chinner { XFS_DQ_PROJ, "PROJ" }, \ 3584be0ffcSDave Chinner { XFS_DQ_GROUP, "GROUP" }, \ 3684be0ffcSDave Chinner { XFS_DQ_DIRTY, "DIRTY" }, \ 3784be0ffcSDave Chinner { XFS_DQ_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 6384be0ffcSDave Chinner #define XFS_IS_QUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ACCT) 6484be0ffcSDave Chinner #define XFS_IS_UQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_UQUOTA_ACCT) 6584be0ffcSDave Chinner #define XFS_IS_PQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_PQUOTA_ACCT) 6684be0ffcSDave Chinner #define XFS_IS_GQUOTA_RUNNING(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 * Incore only flags for quotaoff - these bits get cleared when quota(s) 7384be0ffcSDave Chinner * are in the process of getting turned off. These flags are in m_qflags but 7484be0ffcSDave Chinner * never in sb_qflags. 7584be0ffcSDave Chinner */ 7684be0ffcSDave Chinner #define XFS_UQUOTA_ACTIVE 0x1000 /* uquotas are being turned off */ 7784be0ffcSDave Chinner #define XFS_GQUOTA_ACTIVE 0x2000 /* gquotas are being turned off */ 7884be0ffcSDave Chinner #define XFS_PQUOTA_ACTIVE 0x4000 /* pquotas are being turned off */ 7984be0ffcSDave Chinner #define XFS_ALL_QUOTA_ACTIVE \ 8084be0ffcSDave Chinner (XFS_UQUOTA_ACTIVE | XFS_GQUOTA_ACTIVE | XFS_PQUOTA_ACTIVE) 8184be0ffcSDave Chinner 8284be0ffcSDave Chinner /* 8384be0ffcSDave Chinner * Checking XFS_IS_*QUOTA_ON() while holding any inode lock guarantees 8484be0ffcSDave Chinner * quota will be not be switched off as long as that inode lock is held. 8584be0ffcSDave Chinner */ 8684be0ffcSDave Chinner #define XFS_IS_QUOTA_ON(mp) ((mp)->m_qflags & (XFS_UQUOTA_ACTIVE | \ 8784be0ffcSDave Chinner XFS_GQUOTA_ACTIVE | \ 8884be0ffcSDave Chinner XFS_PQUOTA_ACTIVE)) 8984be0ffcSDave Chinner #define XFS_IS_UQUOTA_ON(mp) ((mp)->m_qflags & XFS_UQUOTA_ACTIVE) 9084be0ffcSDave Chinner #define XFS_IS_GQUOTA_ON(mp) ((mp)->m_qflags & XFS_GQUOTA_ACTIVE) 9184be0ffcSDave Chinner #define XFS_IS_PQUOTA_ON(mp) ((mp)->m_qflags & XFS_PQUOTA_ACTIVE) 9284be0ffcSDave Chinner 9384be0ffcSDave Chinner /* 9484be0ffcSDave Chinner * Flags to tell various functions what to do. Not all of these are meaningful 9584be0ffcSDave Chinner * to a single function. None of these XFS_QMOPT_* flags are meant to have 9684be0ffcSDave Chinner * persistent values (ie. their values can and will change between versions) 9784be0ffcSDave Chinner */ 9884be0ffcSDave Chinner #define XFS_QMOPT_UQUOTA 0x0000004 /* user dquot requested */ 9984be0ffcSDave Chinner #define XFS_QMOPT_PQUOTA 0x0000008 /* project dquot requested */ 10084be0ffcSDave Chinner #define XFS_QMOPT_FORCE_RES 0x0000010 /* ignore quota limits */ 10184be0ffcSDave Chinner #define XFS_QMOPT_SBVERSION 0x0000040 /* change superblock version num */ 10284be0ffcSDave Chinner #define XFS_QMOPT_GQUOTA 0x0002000 /* group dquot requested */ 10384be0ffcSDave Chinner #define XFS_QMOPT_ENOSPC 0x0004000 /* enospc instead of edquot (prj) */ 10484be0ffcSDave Chinner 10584be0ffcSDave Chinner /* 10684be0ffcSDave Chinner * flags to xfs_trans_mod_dquot to indicate which field needs to be 10784be0ffcSDave Chinner * modified. 10884be0ffcSDave Chinner */ 10984be0ffcSDave Chinner #define XFS_QMOPT_RES_REGBLKS 0x0010000 11084be0ffcSDave Chinner #define XFS_QMOPT_RES_RTBLKS 0x0020000 11184be0ffcSDave Chinner #define XFS_QMOPT_BCOUNT 0x0040000 11284be0ffcSDave Chinner #define XFS_QMOPT_ICOUNT 0x0080000 11384be0ffcSDave Chinner #define XFS_QMOPT_RTBCOUNT 0x0100000 11484be0ffcSDave Chinner #define XFS_QMOPT_DELBCOUNT 0x0200000 11584be0ffcSDave Chinner #define XFS_QMOPT_DELRTBCOUNT 0x0400000 11684be0ffcSDave Chinner #define XFS_QMOPT_RES_INOS 0x0800000 11784be0ffcSDave Chinner 11884be0ffcSDave Chinner /* 11984be0ffcSDave Chinner * flags for dqalloc. 12084be0ffcSDave Chinner */ 12184be0ffcSDave Chinner #define XFS_QMOPT_INHERIT 0x1000000 12284be0ffcSDave Chinner 12384be0ffcSDave Chinner /* 12484be0ffcSDave Chinner * flags to xfs_trans_mod_dquot. 12584be0ffcSDave Chinner */ 12684be0ffcSDave Chinner #define XFS_TRANS_DQ_RES_BLKS XFS_QMOPT_RES_REGBLKS 12784be0ffcSDave Chinner #define XFS_TRANS_DQ_RES_RTBLKS XFS_QMOPT_RES_RTBLKS 12884be0ffcSDave Chinner #define XFS_TRANS_DQ_RES_INOS XFS_QMOPT_RES_INOS 12984be0ffcSDave Chinner #define XFS_TRANS_DQ_BCOUNT XFS_QMOPT_BCOUNT 13084be0ffcSDave Chinner #define XFS_TRANS_DQ_DELBCOUNT XFS_QMOPT_DELBCOUNT 13184be0ffcSDave Chinner #define XFS_TRANS_DQ_ICOUNT XFS_QMOPT_ICOUNT 13284be0ffcSDave Chinner #define XFS_TRANS_DQ_RTBCOUNT XFS_QMOPT_RTBCOUNT 13384be0ffcSDave Chinner #define XFS_TRANS_DQ_DELRTBCOUNT XFS_QMOPT_DELRTBCOUNT 13484be0ffcSDave Chinner 13584be0ffcSDave Chinner 13684be0ffcSDave Chinner #define XFS_QMOPT_QUOTALL \ 13784be0ffcSDave Chinner (XFS_QMOPT_UQUOTA | XFS_QMOPT_PQUOTA | XFS_QMOPT_GQUOTA) 13884be0ffcSDave Chinner #define XFS_QMOPT_RESBLK_MASK (XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_RES_RTBLKS) 13984be0ffcSDave Chinner 140eebf3cabSDarrick J. Wong extern xfs_failaddr_t xfs_dquot_verify(struct xfs_mount *mp, 141e381a0f6SEric Sandeen struct xfs_disk_dquot *ddq, xfs_dqid_t id, uint type); 1427224fa48SEric Sandeen extern xfs_failaddr_t xfs_dqblk_verify(struct xfs_mount *mp, 1437224fa48SEric Sandeen struct xfs_dqblk *dqb, xfs_dqid_t id, uint type); 14484be0ffcSDave Chinner extern int xfs_calc_dquots_per_chunk(unsigned int nbblks); 14591083269SEric Sandeen extern void xfs_dqblk_repair(struct xfs_mount *mp, struct xfs_dqblk *dqb, 146eeea7980SDarrick J. Wong xfs_dqid_t id, uint type); 14784be0ffcSDave Chinner 14884be0ffcSDave Chinner #endif /* __XFS_QUOTA_H__ */ 149