Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (c) 2000-2005 Silicon Graphics, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #ifndef __XFS_QM_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #define __XFS_QM_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include "xfs_dquot_item.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include "xfs_dquot.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) struct xfs_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) extern struct kmem_zone	*xfs_qm_dqtrxzone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  * Number of bmaps that we ask from bmapi when doing a quotacheck.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * We make this restriction to keep the memory usage to a minimum.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #define XFS_DQITER_MAP_SIZE	10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	!dqp->q_blk.hardlimit && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	!dqp->q_blk.softlimit && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	!dqp->q_rtb.hardlimit && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	!dqp->q_rtb.softlimit && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	!dqp->q_ino.hardlimit && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	!dqp->q_ino.softlimit && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	!dqp->q_blk.count && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	!dqp->q_rtb.count && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	!dqp->q_ino.count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) struct xfs_quota_limits {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	xfs_qcnt_t		hard;	/* default hard limit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	xfs_qcnt_t		soft;	/* default soft limit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	time64_t		time;	/* limit for timers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	xfs_qwarncnt_t		warn;	/* limit for warnings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) /* Defaults for each quota type: time limits, warn limits, usage limits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) struct xfs_def_quota {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	struct xfs_quota_limits	blk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	struct xfs_quota_limits	ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	struct xfs_quota_limits	rtb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)  * Various quota information for individual filesystems.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  * The mount structure keeps a pointer to this.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) struct xfs_quotainfo {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	struct radix_tree_root	qi_uquota_tree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	struct radix_tree_root	qi_gquota_tree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	struct radix_tree_root	qi_pquota_tree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	struct mutex		qi_tree_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	struct xfs_inode	*qi_uquotaip;	/* user quota inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	struct xfs_inode	*qi_gquotaip;	/* group quota inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	struct xfs_inode	*qi_pquotaip;	/* project quota inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	struct list_lru		qi_lru;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	int			qi_dquots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	struct mutex		qi_quotaofflock;/* to serialize quotaoff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	xfs_filblks_t		qi_dqchunklen;	/* # BBs in a chunk of dqs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	uint			qi_dqperchunk;	/* # ondisk dq in above chunk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	struct xfs_def_quota	qi_usr_default;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	struct xfs_def_quota	qi_grp_default;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	struct xfs_def_quota	qi_prj_default;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	struct shrinker		qi_shrinker;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	/* Minimum and maximum quota expiration timestamp values. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	time64_t		qi_expiry_min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	time64_t		qi_expiry_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) static inline struct radix_tree_root *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) xfs_dquot_tree(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	struct xfs_quotainfo	*qi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	xfs_dqtype_t		type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	case XFS_DQTYPE_USER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		return &qi->qi_uquota_tree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	case XFS_DQTYPE_GROUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		return &qi->qi_gquota_tree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	case XFS_DQTYPE_PROJ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		return &qi->qi_pquota_tree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		ASSERT(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) static inline struct xfs_inode *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) xfs_quota_inode(struct xfs_mount *mp, xfs_dqtype_t type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	case XFS_DQTYPE_USER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		return mp->m_quotainfo->qi_uquotaip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	case XFS_DQTYPE_GROUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		return mp->m_quotainfo->qi_gquotaip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	case XFS_DQTYPE_PROJ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		return mp->m_quotainfo->qi_pquotaip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		ASSERT(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) extern void	xfs_trans_mod_dquot(struct xfs_trans *tp, struct xfs_dquot *dqp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 				    uint field, int64_t delta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) extern void	xfs_trans_dqjoin(struct xfs_trans *, struct xfs_dquot *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) extern void	xfs_trans_log_dquot(struct xfs_trans *, struct xfs_dquot *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)  * We keep the usr, grp, and prj dquots separately so that locking will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)  * easier to do at commit time. All transactions that we know of at this point
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)  * affect no more than two dquots of one type. Hence, the TRANS_MAXDQS value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	XFS_QM_TRANS_USR = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	XFS_QM_TRANS_GRP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	XFS_QM_TRANS_PRJ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	XFS_QM_TRANS_DQTYPES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #define XFS_QM_TRANS_MAXDQS		2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct xfs_dquot_acct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	struct xfs_dqtrx	dqs[XFS_QM_TRANS_DQTYPES][XFS_QM_TRANS_MAXDQS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)  * Users are allowed to have a usage exceeding their softlimit for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)  * a period this long.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) #define XFS_QM_BTIMELIMIT	(7 * 24*60*60)          /* 1 week */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) #define XFS_QM_RTBTIMELIMIT	(7 * 24*60*60)          /* 1 week */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) #define XFS_QM_ITIMELIMIT	(7 * 24*60*60)          /* 1 week */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) #define XFS_QM_BWARNLIMIT	5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) #define XFS_QM_IWARNLIMIT	5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) #define XFS_QM_RTBWARNLIMIT	5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) extern void		xfs_qm_destroy_quotainfo(struct xfs_mount *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) /* dquot stuff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) extern void		xfs_qm_dqpurge_all(struct xfs_mount *, uint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) extern void		xfs_qm_dqrele_all_inodes(struct xfs_mount *, uint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /* quota ops */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) extern int		xfs_qm_scall_trunc_qfiles(struct xfs_mount *, uint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) extern int		xfs_qm_scall_getquota(struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 					xfs_dqid_t id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 					xfs_dqtype_t type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 					struct qc_dqblk *dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) extern int		xfs_qm_scall_getquota_next(struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 					xfs_dqid_t *id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 					xfs_dqtype_t type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 					struct qc_dqblk *dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) extern int		xfs_qm_scall_setqlim(struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 					xfs_dqid_t id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 					xfs_dqtype_t type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 					struct qc_dqblk *newlim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) extern int		xfs_qm_scall_quotaon(struct xfs_mount *, uint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) extern int		xfs_qm_scall_quotaoff(struct xfs_mount *, uint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static inline struct xfs_def_quota *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) xfs_get_defquota(struct xfs_quotainfo *qi, xfs_dqtype_t type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	case XFS_DQTYPE_USER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		return &qi->qi_usr_default;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	case XFS_DQTYPE_GROUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		return &qi->qi_grp_default;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	case XFS_DQTYPE_PROJ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		return &qi->qi_prj_default;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		ASSERT(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) #endif /* __XFS_QM_H__ */