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078f4a7d31
There's only a few uses left, so just kill the typedef while we're at it. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
162 lines
5.7 KiB
C
162 lines
5.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2000-2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*/
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#ifndef __XFS_QUOTA_H__
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#define __XFS_QUOTA_H__
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#include "xfs_quota_defs.h"
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/*
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* Kernel only quota definitions and functions
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*/
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struct xfs_trans;
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/*
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* This check is done typically without holding the inode lock;
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* that may seem racy, but it is harmless in the context that it is used.
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* The inode cannot go inactive as long a reference is kept, and
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* therefore if dquot(s) were attached, they'll stay consistent.
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* If, for example, the ownership of the inode changes while
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* we didn't have the inode locked, the appropriate dquot(s) will be
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* attached atomically.
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*/
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#define XFS_NOT_DQATTACHED(mp, ip) \
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((XFS_IS_UQUOTA_ON(mp) && (ip)->i_udquot == NULL) || \
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(XFS_IS_GQUOTA_ON(mp) && (ip)->i_gdquot == NULL) || \
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(XFS_IS_PQUOTA_ON(mp) && (ip)->i_pdquot == NULL))
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#define XFS_QM_NEED_QUOTACHECK(mp) \
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((XFS_IS_UQUOTA_ON(mp) && \
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(mp->m_sb.sb_qflags & XFS_UQUOTA_CHKD) == 0) || \
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(XFS_IS_GQUOTA_ON(mp) && \
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(mp->m_sb.sb_qflags & XFS_GQUOTA_CHKD) == 0) || \
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(XFS_IS_PQUOTA_ON(mp) && \
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(mp->m_sb.sb_qflags & XFS_PQUOTA_CHKD) == 0))
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static inline uint
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xfs_quota_chkd_flag(
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uint dqtype)
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{
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switch (dqtype) {
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case XFS_DQ_USER:
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return XFS_UQUOTA_CHKD;
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case XFS_DQ_GROUP:
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return XFS_GQUOTA_CHKD;
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case XFS_DQ_PROJ:
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return XFS_PQUOTA_CHKD;
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default:
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return 0;
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}
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}
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/*
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* The structure kept inside the xfs_trans_t keep track of dquot changes
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* within a transaction and apply them later.
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*/
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struct xfs_dqtrx {
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struct xfs_dquot *qt_dquot; /* the dquot this refers to */
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uint64_t qt_blk_res; /* blks reserved on a dquot */
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int64_t qt_bcount_delta; /* dquot blk count changes */
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int64_t qt_delbcnt_delta; /* delayed dquot blk count changes */
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uint64_t qt_rtblk_res; /* # blks reserved on a dquot */
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uint64_t qt_rtblk_res_used;/* # blks used from reservation */
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int64_t qt_rtbcount_delta;/* dquot realtime blk changes */
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int64_t qt_delrtb_delta; /* delayed RT blk count changes */
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uint64_t qt_ino_res; /* inode reserved on a dquot */
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uint64_t qt_ino_res_used; /* inodes used from the reservation */
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int64_t qt_icount_delta; /* dquot inode count changes */
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};
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#ifdef CONFIG_XFS_QUOTA
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extern void xfs_trans_dup_dqinfo(struct xfs_trans *, struct xfs_trans *);
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extern void xfs_trans_free_dqinfo(struct xfs_trans *);
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extern void xfs_trans_mod_dquot_byino(struct xfs_trans *, struct xfs_inode *,
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uint, int64_t);
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extern void xfs_trans_apply_dquot_deltas(struct xfs_trans *);
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extern void xfs_trans_unreserve_and_mod_dquots(struct xfs_trans *);
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extern int xfs_trans_reserve_quota_nblks(struct xfs_trans *,
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struct xfs_inode *, int64_t, long, uint);
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extern int xfs_trans_reserve_quota_bydquots(struct xfs_trans *,
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struct xfs_mount *, struct xfs_dquot *,
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struct xfs_dquot *, struct xfs_dquot *, int64_t, long, uint);
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extern int xfs_qm_vop_dqalloc(struct xfs_inode *, xfs_dqid_t, xfs_dqid_t,
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prid_t, uint, struct xfs_dquot **, struct xfs_dquot **,
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struct xfs_dquot **);
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extern void xfs_qm_vop_create_dqattach(struct xfs_trans *, struct xfs_inode *,
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struct xfs_dquot *, struct xfs_dquot *, struct xfs_dquot *);
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extern int xfs_qm_vop_rename_dqattach(struct xfs_inode **);
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extern struct xfs_dquot *xfs_qm_vop_chown(struct xfs_trans *,
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struct xfs_inode *, struct xfs_dquot **, struct xfs_dquot *);
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extern int xfs_qm_vop_chown_reserve(struct xfs_trans *, struct xfs_inode *,
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struct xfs_dquot *, struct xfs_dquot *,
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struct xfs_dquot *, uint);
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extern int xfs_qm_dqattach(struct xfs_inode *);
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extern int xfs_qm_dqattach_locked(struct xfs_inode *ip, bool doalloc);
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extern void xfs_qm_dqdetach(struct xfs_inode *);
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extern void xfs_qm_dqrele(struct xfs_dquot *);
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extern void xfs_qm_statvfs(struct xfs_inode *, struct kstatfs *);
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extern int xfs_qm_newmount(struct xfs_mount *, uint *, uint *);
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extern void xfs_qm_mount_quotas(struct xfs_mount *);
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extern void xfs_qm_unmount(struct xfs_mount *);
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extern void xfs_qm_unmount_quotas(struct xfs_mount *);
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#else
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static inline int
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xfs_qm_vop_dqalloc(struct xfs_inode *ip, xfs_dqid_t uid, xfs_dqid_t gid,
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prid_t prid, uint flags, struct xfs_dquot **udqp,
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struct xfs_dquot **gdqp, struct xfs_dquot **pdqp)
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{
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*udqp = NULL;
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*gdqp = NULL;
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*pdqp = NULL;
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return 0;
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}
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#define xfs_trans_dup_dqinfo(tp, tp2)
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#define xfs_trans_free_dqinfo(tp)
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#define xfs_trans_mod_dquot_byino(tp, ip, fields, delta)
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#define xfs_trans_apply_dquot_deltas(tp)
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#define xfs_trans_unreserve_and_mod_dquots(tp)
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static inline int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp,
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struct xfs_inode *ip, int64_t nblks, long ninos, uint flags)
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{
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return 0;
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}
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static inline int xfs_trans_reserve_quota_bydquots(struct xfs_trans *tp,
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struct xfs_mount *mp, struct xfs_dquot *udqp,
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struct xfs_dquot *gdqp, struct xfs_dquot *pdqp,
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int64_t nblks, long nions, uint flags)
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{
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return 0;
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}
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#define xfs_qm_vop_create_dqattach(tp, ip, u, g, p)
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#define xfs_qm_vop_rename_dqattach(it) (0)
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#define xfs_qm_vop_chown(tp, ip, old, new) (NULL)
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#define xfs_qm_vop_chown_reserve(tp, ip, u, g, p, fl) (0)
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#define xfs_qm_dqattach(ip) (0)
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#define xfs_qm_dqattach_locked(ip, fl) (0)
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#define xfs_qm_dqdetach(ip)
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#define xfs_qm_dqrele(d)
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#define xfs_qm_statvfs(ip, s)
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#define xfs_qm_newmount(mp, a, b) (0)
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#define xfs_qm_mount_quotas(mp)
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#define xfs_qm_unmount(mp)
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#define xfs_qm_unmount_quotas(mp)
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#endif /* CONFIG_XFS_QUOTA */
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#define xfs_trans_unreserve_quota_nblks(tp, ip, nblks, ninos, flags) \
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xfs_trans_reserve_quota_nblks(tp, ip, -(nblks), -(ninos), flags)
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#define xfs_trans_reserve_quota(tp, mp, ud, gd, pd, nb, ni, f) \
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xfs_trans_reserve_quota_bydquots(tp, mp, ud, gd, pd, nb, ni, \
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f | XFS_QMOPT_RES_REGBLKS)
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extern int xfs_mount_reset_sbqflags(struct xfs_mount *);
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#endif /* __XFS_QUOTA_H__ */
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