--- zzzz-none-000/linux-3.10.107/fs/xfs/xfs_quota.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/fs/xfs/xfs_quota.h 2021-02-04 17:41:59.000000000 +0000 @@ -18,239 +18,15 @@ #ifndef __XFS_QUOTA_H__ #define __XFS_QUOTA_H__ -struct xfs_trans; - -/* - * The ondisk form of a dquot structure. - */ -#define XFS_DQUOT_MAGIC 0x4451 /* 'DQ' */ -#define XFS_DQUOT_VERSION (u_int8_t)0x01 /* latest version number */ - -/* - * uid_t and gid_t are hard-coded to 32 bits in the inode. - * Hence, an 'id' in a dquot is 32 bits.. - */ -typedef __uint32_t xfs_dqid_t; - -/* - * Even though users may not have quota limits occupying all 64-bits, - * they may need 64-bit accounting. Hence, 64-bit quota-counters, - * and quota-limits. This is a waste in the common case, but hey ... - */ -typedef __uint64_t xfs_qcnt_t; -typedef __uint16_t xfs_qwarncnt_t; - -/* - * This is the main portion of the on-disk representation of quota - * information for a user. This is the q_core of the xfs_dquot_t that - * is kept in kernel memory. We pad this with some more expansion room - * to construct the on disk structure. - */ -typedef struct xfs_disk_dquot { - __be16 d_magic; /* dquot magic = XFS_DQUOT_MAGIC */ - __u8 d_version; /* dquot version */ - __u8 d_flags; /* XFS_DQ_USER/PROJ/GROUP */ - __be32 d_id; /* user,project,group id */ - __be64 d_blk_hardlimit;/* absolute limit on disk blks */ - __be64 d_blk_softlimit;/* preferred limit on disk blks */ - __be64 d_ino_hardlimit;/* maximum # allocated inodes */ - __be64 d_ino_softlimit;/* preferred inode limit */ - __be64 d_bcount; /* disk blocks owned by the user */ - __be64 d_icount; /* inodes owned by the user */ - __be32 d_itimer; /* zero if within inode limits if not, - this is when we refuse service */ - __be32 d_btimer; /* similar to above; for disk blocks */ - __be16 d_iwarns; /* warnings issued wrt num inodes */ - __be16 d_bwarns; /* warnings issued wrt disk blocks */ - __be32 d_pad0; /* 64 bit align */ - __be64 d_rtb_hardlimit;/* absolute limit on realtime blks */ - __be64 d_rtb_softlimit;/* preferred limit on RT disk blks */ - __be64 d_rtbcount; /* realtime blocks owned */ - __be32 d_rtbtimer; /* similar to above; for RT disk blocks */ - __be16 d_rtbwarns; /* warnings issued wrt RT disk blocks */ - __be16 d_pad; -} xfs_disk_dquot_t; - -/* - * This is what goes on disk. This is separated from the xfs_disk_dquot because - * carrying the unnecessary padding would be a waste of memory. - */ -typedef struct xfs_dqblk { - xfs_disk_dquot_t dd_diskdq; /* portion that lives incore as well */ - char dd_fill[4]; /* filling for posterity */ - - /* - * These two are only present on filesystems with the CRC bits set. - */ - __be32 dd_crc; /* checksum */ - __be64 dd_lsn; /* last modification in log */ - uuid_t dd_uuid; /* location information */ -} xfs_dqblk_t; - -#define XFS_DQUOT_CRC_OFF offsetof(struct xfs_dqblk, dd_crc) - -/* - * flags for q_flags field in the dquot. - */ -#define XFS_DQ_USER 0x0001 /* a user quota */ -#define XFS_DQ_PROJ 0x0002 /* project quota */ -#define XFS_DQ_GROUP 0x0004 /* a group quota */ -#define XFS_DQ_DIRTY 0x0008 /* dquot is dirty */ -#define XFS_DQ_FREEING 0x0010 /* dquot is beeing torn down */ - -#define XFS_DQ_ALLTYPES (XFS_DQ_USER|XFS_DQ_PROJ|XFS_DQ_GROUP) - -#define XFS_DQ_FLAGS \ - { XFS_DQ_USER, "USER" }, \ - { XFS_DQ_PROJ, "PROJ" }, \ - { XFS_DQ_GROUP, "GROUP" }, \ - { XFS_DQ_DIRTY, "DIRTY" }, \ - { XFS_DQ_FREEING, "FREEING" } - -/* - * In the worst case, when both user and group quotas are on, - * we can have a max of three dquots changing in a single transaction. - */ -#define XFS_DQUOT_LOGRES(mp) (sizeof(xfs_disk_dquot_t) * 3) - - -/* - * These are the structures used to lay out dquots and quotaoff - * records on the log. Quite similar to those of inodes. - */ - -/* - * log format struct for dquots. - * The first two fields must be the type and size fitting into - * 32 bits : log_recovery code assumes that. - */ -typedef struct xfs_dq_logformat { - __uint16_t qlf_type; /* dquot log item type */ - __uint16_t qlf_size; /* size of this item */ - xfs_dqid_t qlf_id; /* usr/grp/proj id : 32 bits */ - __int64_t qlf_blkno; /* blkno of dquot buffer */ - __int32_t qlf_len; /* len of dquot buffer */ - __uint32_t qlf_boffset; /* off of dquot in buffer */ -} xfs_dq_logformat_t; +#include "xfs_quota_defs.h" /* - * log format struct for QUOTAOFF records. - * The first two fields must be the type and size fitting into - * 32 bits : log_recovery code assumes that. - * We write two LI_QUOTAOFF logitems per quotaoff, the last one keeps a pointer - * to the first and ensures that the first logitem is taken out of the AIL - * only when the last one is securely committed. + * Kernel only quota definitions and functions */ -typedef struct xfs_qoff_logformat { - unsigned short qf_type; /* quotaoff log item type */ - unsigned short qf_size; /* size of this item */ - unsigned int qf_flags; /* USR and/or GRP */ - char qf_pad[12]; /* padding for future */ -} xfs_qoff_logformat_t; +struct xfs_trans; /* - * Disk quotas status in m_qflags, and also sb_qflags. 16 bits. - */ -#define XFS_UQUOTA_ACCT 0x0001 /* user quota accounting ON */ -#define XFS_UQUOTA_ENFD 0x0002 /* user quota limits enforced */ -#define XFS_UQUOTA_CHKD 0x0004 /* quotacheck run on usr quotas */ -#define XFS_PQUOTA_ACCT 0x0008 /* project quota accounting ON */ -#define XFS_OQUOTA_ENFD 0x0010 /* other (grp/prj) quota limits enforced */ -#define XFS_OQUOTA_CHKD 0x0020 /* quotacheck run on other (grp/prj) quotas */ -#define XFS_GQUOTA_ACCT 0x0040 /* group quota accounting ON */ - -/* - * Quota Accounting/Enforcement flags - */ -#define XFS_ALL_QUOTA_ACCT \ - (XFS_UQUOTA_ACCT | XFS_GQUOTA_ACCT | XFS_PQUOTA_ACCT) -#define XFS_ALL_QUOTA_ENFD (XFS_UQUOTA_ENFD | XFS_OQUOTA_ENFD) -#define XFS_ALL_QUOTA_CHKD (XFS_UQUOTA_CHKD | XFS_OQUOTA_CHKD) - -#define XFS_IS_QUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ACCT) -#define XFS_IS_UQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_UQUOTA_ACCT) -#define XFS_IS_PQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_PQUOTA_ACCT) -#define XFS_IS_GQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_GQUOTA_ACCT) -#define XFS_IS_UQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_UQUOTA_ENFD) -#define XFS_IS_OQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_OQUOTA_ENFD) - -/* - * Incore only flags for quotaoff - these bits get cleared when quota(s) - * are in the process of getting turned off. These flags are in m_qflags but - * never in sb_qflags. - */ -#define XFS_UQUOTA_ACTIVE 0x0100 /* uquotas are being turned off */ -#define XFS_PQUOTA_ACTIVE 0x0200 /* pquotas are being turned off */ -#define XFS_GQUOTA_ACTIVE 0x0400 /* gquotas are being turned off */ -#define XFS_ALL_QUOTA_ACTIVE \ - (XFS_UQUOTA_ACTIVE | XFS_PQUOTA_ACTIVE | XFS_GQUOTA_ACTIVE) - -/* - * Checking XFS_IS_*QUOTA_ON() while holding any inode lock guarantees - * quota will be not be switched off as long as that inode lock is held. - */ -#define XFS_IS_QUOTA_ON(mp) ((mp)->m_qflags & (XFS_UQUOTA_ACTIVE | \ - XFS_GQUOTA_ACTIVE | \ - XFS_PQUOTA_ACTIVE)) -#define XFS_IS_OQUOTA_ON(mp) ((mp)->m_qflags & (XFS_GQUOTA_ACTIVE | \ - XFS_PQUOTA_ACTIVE)) -#define XFS_IS_UQUOTA_ON(mp) ((mp)->m_qflags & XFS_UQUOTA_ACTIVE) -#define XFS_IS_GQUOTA_ON(mp) ((mp)->m_qflags & XFS_GQUOTA_ACTIVE) -#define XFS_IS_PQUOTA_ON(mp) ((mp)->m_qflags & XFS_PQUOTA_ACTIVE) - -/* - * Flags to tell various functions what to do. Not all of these are meaningful - * to a single function. None of these XFS_QMOPT_* flags are meant to have - * persistent values (ie. their values can and will change between versions) - */ -#define XFS_QMOPT_DQALLOC 0x0000002 /* alloc dquot ondisk if needed */ -#define XFS_QMOPT_UQUOTA 0x0000004 /* user dquot requested */ -#define XFS_QMOPT_PQUOTA 0x0000008 /* project dquot requested */ -#define XFS_QMOPT_FORCE_RES 0x0000010 /* ignore quota limits */ -#define XFS_QMOPT_SBVERSION 0x0000040 /* change superblock version num */ -#define XFS_QMOPT_DOWARN 0x0000400 /* increase warning cnt if needed */ -#define XFS_QMOPT_DQREPAIR 0x0001000 /* repair dquot if damaged */ -#define XFS_QMOPT_GQUOTA 0x0002000 /* group dquot requested */ -#define XFS_QMOPT_ENOSPC 0x0004000 /* enospc instead of edquot (prj) */ - -/* - * flags to xfs_trans_mod_dquot to indicate which field needs to be - * modified. - */ -#define XFS_QMOPT_RES_REGBLKS 0x0010000 -#define XFS_QMOPT_RES_RTBLKS 0x0020000 -#define XFS_QMOPT_BCOUNT 0x0040000 -#define XFS_QMOPT_ICOUNT 0x0080000 -#define XFS_QMOPT_RTBCOUNT 0x0100000 -#define XFS_QMOPT_DELBCOUNT 0x0200000 -#define XFS_QMOPT_DELRTBCOUNT 0x0400000 -#define XFS_QMOPT_RES_INOS 0x0800000 - -/* - * flags for dqalloc. - */ -#define XFS_QMOPT_INHERIT 0x1000000 - -/* - * flags to xfs_trans_mod_dquot. - */ -#define XFS_TRANS_DQ_RES_BLKS XFS_QMOPT_RES_REGBLKS -#define XFS_TRANS_DQ_RES_RTBLKS XFS_QMOPT_RES_RTBLKS -#define XFS_TRANS_DQ_RES_INOS XFS_QMOPT_RES_INOS -#define XFS_TRANS_DQ_BCOUNT XFS_QMOPT_BCOUNT -#define XFS_TRANS_DQ_DELBCOUNT XFS_QMOPT_DELBCOUNT -#define XFS_TRANS_DQ_ICOUNT XFS_QMOPT_ICOUNT -#define XFS_TRANS_DQ_RTBCOUNT XFS_QMOPT_RTBCOUNT -#define XFS_TRANS_DQ_DELRTBCOUNT XFS_QMOPT_DELRTBCOUNT - - -#define XFS_QMOPT_QUOTALL \ - (XFS_QMOPT_UQUOTA | XFS_QMOPT_PQUOTA | XFS_QMOPT_GQUOTA) -#define XFS_QMOPT_RESBLK_MASK (XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_RES_RTBLKS) - -#ifdef __KERNEL__ -/* * This check is done typically without holding the inode lock; * that may seem racy, but it is harmless in the context that it is used. * The inode cannot go inactive as long a reference is kept, and @@ -259,34 +35,18 @@ * we didn't have the inode locked, the appropriate dquot(s) will be * attached atomically. */ -#define XFS_NOT_DQATTACHED(mp, ip) ((XFS_IS_UQUOTA_ON(mp) &&\ - (ip)->i_udquot == NULL) || \ - (XFS_IS_OQUOTA_ON(mp) && \ - (ip)->i_gdquot == NULL)) +#define XFS_NOT_DQATTACHED(mp, ip) \ + ((XFS_IS_UQUOTA_ON(mp) && (ip)->i_udquot == NULL) || \ + (XFS_IS_GQUOTA_ON(mp) && (ip)->i_gdquot == NULL) || \ + (XFS_IS_PQUOTA_ON(mp) && (ip)->i_pdquot == NULL)) #define XFS_QM_NEED_QUOTACHECK(mp) \ ((XFS_IS_UQUOTA_ON(mp) && \ (mp->m_sb.sb_qflags & XFS_UQUOTA_CHKD) == 0) || \ (XFS_IS_GQUOTA_ON(mp) && \ - ((mp->m_sb.sb_qflags & XFS_OQUOTA_CHKD) == 0 || \ - (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT))) || \ + (mp->m_sb.sb_qflags & XFS_GQUOTA_CHKD) == 0) || \ (XFS_IS_PQUOTA_ON(mp) && \ - ((mp->m_sb.sb_qflags & XFS_OQUOTA_CHKD) == 0 || \ - (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT)))) - -#define XFS_MOUNT_QUOTA_SET1 (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\ - XFS_UQUOTA_CHKD|XFS_PQUOTA_ACCT|\ - XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD) - -#define XFS_MOUNT_QUOTA_SET2 (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\ - XFS_UQUOTA_CHKD|XFS_GQUOTA_ACCT|\ - XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD) - -#define XFS_MOUNT_QUOTA_ALL (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\ - XFS_UQUOTA_CHKD|XFS_PQUOTA_ACCT|\ - XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD|\ - XFS_GQUOTA_ACCT) - + (mp->m_sb.sb_qflags & XFS_PQUOTA_CHKD) == 0)) /* * The structure kept inside the xfs_trans_t keep track of dquot changes @@ -295,7 +55,6 @@ typedef struct xfs_dqtrx { struct xfs_dquot *qt_dquot; /* the dquot this refers to */ ulong qt_blk_res; /* blks reserved on a dquot */ - ulong qt_blk_res_used; /* blks used from the reservation */ ulong qt_ino_res; /* inode reserved on a dquot */ ulong qt_ino_res_used; /* inodes used from the reservation */ long qt_bcount_delta; /* dquot blk count changes */ @@ -318,17 +77,19 @@ struct xfs_inode *, long, long, uint); extern int xfs_trans_reserve_quota_bydquots(struct xfs_trans *, struct xfs_mount *, struct xfs_dquot *, - struct xfs_dquot *, long, long, uint); + struct xfs_dquot *, struct xfs_dquot *, long, long, uint); -extern int xfs_qm_vop_dqalloc(struct xfs_inode *, uid_t, gid_t, prid_t, uint, - struct xfs_dquot **, struct xfs_dquot **); +extern int xfs_qm_vop_dqalloc(struct xfs_inode *, xfs_dqid_t, xfs_dqid_t, + prid_t, uint, struct xfs_dquot **, struct xfs_dquot **, + struct xfs_dquot **); extern void xfs_qm_vop_create_dqattach(struct xfs_trans *, struct xfs_inode *, - struct xfs_dquot *, struct xfs_dquot *); + struct xfs_dquot *, struct xfs_dquot *, struct xfs_dquot *); extern int xfs_qm_vop_rename_dqattach(struct xfs_inode **); extern struct xfs_dquot *xfs_qm_vop_chown(struct xfs_trans *, struct xfs_inode *, struct xfs_dquot **, struct xfs_dquot *); extern int xfs_qm_vop_chown_reserve(struct xfs_trans *, struct xfs_inode *, - struct xfs_dquot *, struct xfs_dquot *, uint); + struct xfs_dquot *, struct xfs_dquot *, + struct xfs_dquot *, uint); extern int xfs_qm_dqattach(struct xfs_inode *, uint); extern int xfs_qm_dqattach_locked(struct xfs_inode *, uint); extern void xfs_qm_dqdetach(struct xfs_inode *); @@ -341,11 +102,13 @@ #else static inline int -xfs_qm_vop_dqalloc(struct xfs_inode *ip, uid_t uid, gid_t gid, prid_t prid, - uint flags, struct xfs_dquot **udqp, struct xfs_dquot **gdqp) +xfs_qm_vop_dqalloc(struct xfs_inode *ip, xfs_dqid_t uid, xfs_dqid_t gid, + prid_t prid, uint flags, struct xfs_dquot **udqp, + struct xfs_dquot **gdqp, struct xfs_dquot **pdqp) { *udqp = NULL; *gdqp = NULL; + *pdqp = NULL; return 0; } #define xfs_trans_dup_dqinfo(tp, tp2) @@ -360,14 +123,15 @@ } static inline int xfs_trans_reserve_quota_bydquots(struct xfs_trans *tp, struct xfs_mount *mp, struct xfs_dquot *udqp, - struct xfs_dquot *gdqp, long nblks, long nions, uint flags) + struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, + long nblks, long nions, uint flags) { return 0; } -#define xfs_qm_vop_create_dqattach(tp, ip, u, g) +#define xfs_qm_vop_create_dqattach(tp, ip, u, g, p) #define xfs_qm_vop_rename_dqattach(it) (0) #define xfs_qm_vop_chown(tp, ip, old, new) (NULL) -#define xfs_qm_vop_chown_reserve(tp, ip, u, g, fl) (0) +#define xfs_qm_vop_chown_reserve(tp, ip, u, g, p, fl) (0) #define xfs_qm_dqattach(ip, fl) (0) #define xfs_qm_dqattach_locked(ip, fl) (0) #define xfs_qm_dqdetach(ip) @@ -381,15 +145,10 @@ #define xfs_trans_unreserve_quota_nblks(tp, ip, nblks, ninos, flags) \ xfs_trans_reserve_quota_nblks(tp, ip, -(nblks), -(ninos), flags) -#define xfs_trans_reserve_quota(tp, mp, ud, gd, nb, ni, f) \ - xfs_trans_reserve_quota_bydquots(tp, mp, ud, gd, nb, ni, \ +#define xfs_trans_reserve_quota(tp, mp, ud, gd, pd, nb, ni, f) \ + xfs_trans_reserve_quota_bydquots(tp, mp, ud, gd, pd, nb, ni, \ f | XFS_QMOPT_RES_REGBLKS) -extern int xfs_qm_dqcheck(struct xfs_mount *, xfs_disk_dquot_t *, - xfs_dqid_t, uint, uint, char *); extern int xfs_mount_reset_sbqflags(struct xfs_mount *); -extern const struct xfs_buf_ops xfs_dquot_buf_ops; - -#endif /* __KERNEL__ */ #endif /* __XFS_QUOTA_H__ */