#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" }
-
-/*
- * We have the possibility of all three quota types being active at once, and
- * hence free space modification requires modification of all three current
- * dquots in a single transaction. For this case we need to have a reservation
- * of at least 3 dquots.
- *
- * However, a chmod operation can change both UID and GID in a single
- * transaction, resulting in requiring {old, new} x {uid, gid} dquots to be
- * modified. Hence for this case we need to reserve space for at least 4 dquots.
- *
- * And in the worst case, there's a rename operation that can be modifying up to
- * 4 inodes with dquots attached to them. In reality, the only inodes that can
- * have their dquots modified are the source and destination directory inodes
- * due to directory name creation and removal. That can require space allocation
- * and/or freeing on both directory inodes, and hence all three dquots on each
- * inode can be modified. And if the directories are world writeable, all the
- * dquots can be unique and so 6 dquots can be modified....
- *
- * And, of course, we also need to take into account the dquot log format item
- * used to describe each dquot.
- */
-#define XFS_DQUOT_LOGRES(mp) \
- ((sizeof(struct xfs_dq_logformat) + sizeof(struct xfs_disk_dquot)) * 6)
-
-/*
- * 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;
-
-/*
- * 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.
- */
-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;
-
-
-/*
- * 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 */
+#include "xfs_quota_defs.h"
/*
- * Conversion to and from the combined OQUOTA flag (if necessary)
- * is done only in xfs_sb_qflags_to_disk() and xfs_sb_qflags_from_disk()
+ * Kernel only quota definitions and functions
*/
-#define XFS_GQUOTA_ENFD 0x0080 /* group quota limits enforced */
-#define XFS_GQUOTA_CHKD 0x0100 /* quotacheck run on group quotas */
-#define XFS_PQUOTA_ENFD 0x0200 /* project quota limits enforced */
-#define XFS_PQUOTA_CHKD 0x0400 /* quotacheck run on project quotas */
-/*
- * 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_GQUOTA_ENFD | XFS_PQUOTA_ENFD)
-#define XFS_ALL_QUOTA_CHKD \
- (XFS_UQUOTA_CHKD | XFS_GQUOTA_CHKD | XFS_PQUOTA_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_GQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_GQUOTA_ENFD)
-#define XFS_IS_PQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_PQUOTA_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 0x1000 /* uquotas are being turned off */
-#define XFS_GQUOTA_ACTIVE 0x2000 /* gquotas are being turned off */
-#define XFS_PQUOTA_ACTIVE 0x4000 /* pquotas are being turned off */
-#define XFS_ALL_QUOTA_ACTIVE \
- (XFS_UQUOTA_ACTIVE | XFS_GQUOTA_ACTIVE | XFS_PQUOTA_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)
+struct xfs_trans;
-#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.
extern const struct xfs_buf_ops xfs_dquot_buf_ops;
-#endif /* __KERNEL__ */
#endif /* __XFS_QUOTA_H__ */
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