^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_DQUOT_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define __XFS_DQUOT_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Dquots are structures that hold quota information about a user or a group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * much like inodes are for files. In fact, dquots share many characteristics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * with inodes. However, dquots can also be a centralized resource, relative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * to a collection of inodes. In this respect, dquots share some characteristics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * of the superblock.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * XFS dquots exploit both those in its algorithms. They make every attempt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * to not be a bottleneck when quotas are on and have minimal impact, if any,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * when quotas are off.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct xfs_mount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct xfs_trans;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) XFS_QLOWSP_1_PCNT = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) XFS_QLOWSP_3_PCNT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) XFS_QLOWSP_5_PCNT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) XFS_QLOWSP_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct xfs_dquot_res {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /* Total resources allocated and reserved. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) xfs_qcnt_t reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /* Total resources allocated. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) xfs_qcnt_t count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) /* Absolute and preferred limits. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) xfs_qcnt_t hardlimit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) xfs_qcnt_t softlimit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * For root dquots, this is the default grace period, in seconds.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * Otherwise, this is when the quota grace period expires,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * in seconds since the Unix epoch.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) time64_t timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * For root dquots, this is the maximum number of warnings that will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * be issued for this quota type. Otherwise, this is the number of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * warnings issued against this quota. Note that none of this is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * implemented.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) xfs_qwarncnt_t warnings;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * The incore dquot structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct xfs_dquot {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct list_head q_lru;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct xfs_mount *q_mount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) xfs_dqtype_t q_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) uint16_t q_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) xfs_dqid_t q_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) uint q_nrefs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) int q_bufoffset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) xfs_daddr_t q_blkno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) xfs_fileoff_t q_fileoffset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct xfs_dquot_res q_blk; /* regular blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct xfs_dquot_res q_ino; /* inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct xfs_dquot_res q_rtb; /* realtime blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct xfs_dq_logitem q_logitem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) xfs_qcnt_t q_prealloc_lo_wmark;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) xfs_qcnt_t q_prealloc_hi_wmark;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int64_t q_low_space[XFS_QLOWSP_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct mutex q_qlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct completion q_flush;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) atomic_t q_pincount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct wait_queue_head q_pinwait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) * Lock hierarchy for q_qlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * XFS_QLOCK_NORMAL is the implicit default,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * XFS_QLOCK_NESTED is the dquot with the higher id in xfs_dqlock2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) XFS_QLOCK_NORMAL = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) XFS_QLOCK_NESTED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * Manage the q_flush completion queue embedded in the dquot. This completion
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * queue synchronizes processes attempting to flush the in-core dquot back to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * disk.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) static inline void xfs_dqflock(struct xfs_dquot *dqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) wait_for_completion(&dqp->q_flush);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static inline bool xfs_dqflock_nowait(struct xfs_dquot *dqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) return try_wait_for_completion(&dqp->q_flush);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static inline void xfs_dqfunlock(struct xfs_dquot *dqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) complete(&dqp->q_flush);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static inline int xfs_dqlock_nowait(struct xfs_dquot *dqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) return mutex_trylock(&dqp->q_qlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) static inline void xfs_dqlock(struct xfs_dquot *dqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) mutex_lock(&dqp->q_qlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static inline void xfs_dqunlock(struct xfs_dquot *dqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) mutex_unlock(&dqp->q_qlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) xfs_dquot_type(const struct xfs_dquot *dqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return dqp->q_type & XFS_DQTYPE_REC_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static inline int xfs_this_quota_on(struct xfs_mount *mp, xfs_dqtype_t type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) case XFS_DQTYPE_USER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return XFS_IS_UQUOTA_ON(mp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) case XFS_DQTYPE_GROUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return XFS_IS_GQUOTA_ON(mp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) case XFS_DQTYPE_PROJ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) return XFS_IS_PQUOTA_ON(mp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static inline struct xfs_dquot *xfs_inode_dquot(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) struct xfs_inode *ip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) xfs_dqtype_t type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) case XFS_DQTYPE_USER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return ip->i_udquot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) case XFS_DQTYPE_GROUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) return ip->i_gdquot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) case XFS_DQTYPE_PROJ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return ip->i_pdquot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) /* Decide if the dquot's limits are actually being enforced. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static inline bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) xfs_dquot_is_enforced(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) const struct xfs_dquot *dqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) switch (xfs_dquot_type(dqp)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) case XFS_DQTYPE_USER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) return XFS_IS_UQUOTA_ENFORCED(dqp->q_mount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) case XFS_DQTYPE_GROUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) return XFS_IS_GQUOTA_ENFORCED(dqp->q_mount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) case XFS_DQTYPE_PROJ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) return XFS_IS_PQUOTA_ENFORCED(dqp->q_mount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) ASSERT(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * Check whether a dquot is under low free space conditions. We assume the quota
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) * is enabled and enforced.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) static inline bool xfs_dquot_lowsp(struct xfs_dquot *dqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) int64_t freesp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) freesp = dqp->q_blk.hardlimit - dqp->q_blk.reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (freesp < dqp->q_low_space[XFS_QLOWSP_1_PCNT])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) void xfs_dquot_to_disk(struct xfs_disk_dquot *ddqp, struct xfs_dquot *dqp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) #define XFS_DQ_IS_LOCKED(dqp) (mutex_is_locked(&((dqp)->q_qlock)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) #define XFS_DQ_IS_DIRTY(dqp) ((dqp)->q_flags & XFS_DQFLAG_DIRTY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) void xfs_qm_dqdestroy(struct xfs_dquot *dqp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) int xfs_qm_dqflush(struct xfs_dquot *dqp, struct xfs_buf **bpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) void xfs_qm_dqunpin_wait(struct xfs_dquot *dqp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) void xfs_qm_adjust_dqtimers(struct xfs_dquot *d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) void xfs_qm_adjust_dqlimits(struct xfs_dquot *d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) xfs_dqid_t xfs_qm_id_for_quotatype(struct xfs_inode *ip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) xfs_dqtype_t type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) int xfs_qm_dqget(struct xfs_mount *mp, xfs_dqid_t id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) xfs_dqtype_t type, bool can_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) struct xfs_dquot **dqpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) int xfs_qm_dqget_inode(struct xfs_inode *ip, xfs_dqtype_t type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) bool can_alloc, struct xfs_dquot **dqpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) int xfs_qm_dqget_next(struct xfs_mount *mp, xfs_dqid_t id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) xfs_dqtype_t type, struct xfs_dquot **dqpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) int xfs_qm_dqget_uncached(struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) xfs_dqid_t id, xfs_dqtype_t type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) struct xfs_dquot **dqpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) void xfs_qm_dqput(struct xfs_dquot *dqp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) void xfs_dqlock2(struct xfs_dquot *, struct xfs_dquot *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) void xfs_dquot_set_prealloc_limits(struct xfs_dquot *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) static inline struct xfs_dquot *xfs_qm_dqhold(struct xfs_dquot *dqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) xfs_dqlock(dqp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) dqp->q_nrefs++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) xfs_dqunlock(dqp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) return dqp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) typedef int (*xfs_qm_dqiterate_fn)(struct xfs_dquot *dq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) xfs_dqtype_t type, void *priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) int xfs_qm_dqiterate(struct xfs_mount *mp, xfs_dqtype_t type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) xfs_qm_dqiterate_fn iter_fn, void *priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) time64_t xfs_dquot_set_timeout(struct xfs_mount *mp, time64_t timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) time64_t xfs_dquot_set_grace_period(time64_t grace);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) #endif /* __XFS_DQUOT_H__ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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