// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 */
#ifndef __XFS_MOUNT_H__
#define __XFS_MOUNT_H__

struct xlog;
struct xfs_inode;
struct xfs_mru_cache;
struct xfs_ail;
struct xfs_quotainfo;
struct xfs_da_geometry;
struct xfs_perag;

/* dynamic preallocation free space thresholds, 5% down to 1% */
enum {
        XFS_LOWSP_1_PCNT = 0,
        XFS_LOWSP_2_PCNT,
        XFS_LOWSP_3_PCNT,
        XFS_LOWSP_4_PCNT,
        XFS_LOWSP_5_PCNT,
        XFS_LOWSP_MAX,
};

/*
 * Error Configuration
 *
 * Error classes define the subsystem the configuration belongs to.
 * Error numbers define the errors that are configurable.
 */
enum {
        XFS_ERR_METADATA,
        XFS_ERR_CLASS_MAX,
};
enum {
        XFS_ERR_DEFAULT,
        XFS_ERR_EIO,
        XFS_ERR_ENOSPC,
        XFS_ERR_ENODEV,
        XFS_ERR_ERRNO_MAX,
};

#define XFS_ERR_RETRY_FOREVER   -1

/*
 * Although retry_timeout is in jiffies which is normally an unsigned long,
 * we limit the retry timeout to 86400 seconds, or one day.  So even a
 * signed 32-bit long is sufficient for a HZ value up to 24855.  Making it
 * signed lets us store the special "-1" value, meaning retry forever.
 */
struct xfs_error_cfg {
        struct xfs_kobj kobj;
        int             max_retries;
        long            retry_timeout;  /* in jiffies, -1 = infinite */
};

/*
 * Per-cpu deferred inode inactivation GC lists.
 */
struct xfs_inodegc {
        struct llist_head       list;
        struct work_struct      work;

        /* approximate count of inodes in the list */
        unsigned int            items;
        unsigned int            shrinker_hits;
};

/*
 * The struct xfsmount layout is optimised to separate read-mostly variables
 * from variables that are frequently modified. We put the read-mostly variables
 * first, then place all the other variables at the end.
 *
 * Typically, read-mostly variables are those that are set at mount time and
 * never changed again, or only change rarely as a result of things like sysfs
 * knobs being tweaked.
 */
typedef struct xfs_mount {
        struct xfs_sb           m_sb;           /* copy of fs superblock */
        struct super_block      *m_super;
        struct xfs_ail          *m_ail;         /* fs active log item list */
        struct xfs_buf          *m_sb_bp;       /* buffer for superblock */
        char                    *m_rtname;      /* realtime device name */
        char                    *m_logname;     /* external log device name */
        struct xfs_da_geometry  *m_dir_geo;     /* directory block geometry */
        struct xfs_da_geometry  *m_attr_geo;    /* attribute block geometry */
        struct xlog             *m_log;         /* log specific stuff */
        struct xfs_inode        *m_rbmip;       /* pointer to bitmap inode */
        struct xfs_inode        *m_rsumip;      /* pointer to summary inode */
        struct xfs_inode        *m_rootip;      /* pointer to root directory */
        struct xfs_quotainfo    *m_quotainfo;   /* disk quota information */
        xfs_buftarg_t           *m_ddev_targp;  /* saves taking the address */
        xfs_buftarg_t           *m_logdev_targp;/* ptr to log device */
        xfs_buftarg_t           *m_rtdev_targp; /* ptr to rt device */
        struct list_head        m_mount_list;   /* global mount list */
        void __percpu           *m_inodegc;     /* percpu inodegc structures */

        /*
         * Optional cache of rt summary level per bitmap block with the
         * invariant that m_rsum_cache[bbno] <= the minimum i for which
         * rsum[i][bbno] != 0. Reads and writes are serialized by the rsumip
         * inode lock.
         */
        uint8_t                 *m_rsum_cache;
        struct xfs_mru_cache    *m_filestream;  /* per-mount filestream data */
        struct workqueue_struct *m_buf_workqueue;
        struct workqueue_struct *m_unwritten_workqueue;
        struct workqueue_struct *m_reclaim_workqueue;
        struct workqueue_struct *m_sync_workqueue;
        struct workqueue_struct *m_blockgc_wq;
        struct workqueue_struct *m_inodegc_wq;

        int                     m_bsize;        /* fs logical block size */
        uint8_t                 m_blkbit_log;   /* blocklog + NBBY */
        uint8_t                 m_blkbb_log;    /* blocklog - BBSHIFT */
        uint8_t                 m_agno_log;     /* log #ag's */
        uint8_t                 m_sectbb_log;   /* sectlog - BBSHIFT */
        uint                    m_blockmask;    /* sb_blocksize-1 */
        uint                    m_blockwsize;   /* sb_blocksize in words */
        uint                    m_blockwmask;   /* blockwsize-1 */
        uint                    m_alloc_mxr[2]; /* max alloc btree records */
        uint                    m_alloc_mnr[2]; /* min alloc btree records */
        uint                    m_bmap_dmxr[2]; /* max bmap btree records */
        uint                    m_bmap_dmnr[2]; /* min bmap btree records */
        uint                    m_rmap_mxr[2];  /* max rmap btree records */
        uint                    m_rmap_mnr[2];  /* min rmap btree records */
        uint                    m_refc_mxr[2];  /* max refc btree records */
        uint                    m_refc_mnr[2];  /* min refc btree records */
        uint                    m_ag_maxlevels; /* XFS_AG_MAXLEVELS */
        uint                    m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */
        uint                    m_rmap_maxlevels; /* max rmap btree levels */
        uint                    m_refc_maxlevels; /* max refcount btree level */
        xfs_extlen_t            m_ag_prealloc_blocks; /* reserved ag blocks */
        uint                    m_alloc_set_aside; /* space we can't use */
        uint                    m_ag_max_usable; /* max space per AG */
        int                     m_dalign;       /* stripe unit */
        int                     m_swidth;       /* stripe width */
        xfs_agnumber_t          m_maxagi;       /* highest inode alloc group */
        uint                    m_allocsize_log;/* min write size log bytes */
        uint                    m_allocsize_blocks; /* min write size blocks */
        int                     m_logbufs;      /* number of log buffers */
        int                     m_logbsize;     /* size of each log buffer */
        uint                    m_rsumlevels;   /* rt summary levels */
        uint                    m_rsumsize;     /* size of rt summary, bytes */
        int                     m_fixedfsid[2]; /* unchanged for life of FS */
        uint                    m_qflags;       /* quota status flags */
        uint64_t                m_features;     /* active filesystem features */
        uint64_t                m_low_space[XFS_LOWSP_MAX];
        uint64_t                m_low_rtexts[XFS_LOWSP_MAX];
        struct xfs_ino_geometry m_ino_geo;      /* inode geometry */
        struct xfs_trans_resv   m_resv;         /* precomputed res values */
                                                /* low free space thresholds */
        unsigned long           m_opstate;      /* dynamic state flags */
        bool                    m_always_cow;
        bool                    m_fail_unmount;
        bool                    m_finobt_nores; /* no per-AG finobt resv. */
        bool                    m_update_sb;    /* sb needs update in mount */

        /*
         * Bitsets of per-fs metadata that have been checked and/or are sick.
         * Callers must hold m_sb_lock to access these two fields.
         */
        uint8_t                 m_fs_checked;
        uint8_t                 m_fs_sick;
        /*
         * Bitsets of rt metadata that have been checked and/or are sick.
         * Callers must hold m_sb_lock to access this field.
         */
        uint8_t                 m_rt_checked;
        uint8_t                 m_rt_sick;

        /*
         * End of read-mostly variables. Frequently written variables and locks
         * should be placed below this comment from now on. The first variable
         * here is marked as cacheline aligned so they it is separated from
         * the read-mostly variables.
         */

        spinlock_t ____cacheline_aligned m_sb_lock; /* sb counter lock */
        struct percpu_counter   m_icount;       /* allocated inodes counter */
        struct percpu_counter   m_ifree;        /* free inodes counter */
        struct percpu_counter   m_fdblocks;     /* free block counter */
        /*
         * Count of data device blocks reserved for delayed allocations,
         * including indlen blocks.  Does not include allocated CoW staging
         * extents or anything related to the rt device.
         */
        struct percpu_counter   m_delalloc_blks;
        /*
         * Global count of allocation btree blocks in use across all AGs. Only
         * used when perag reservation is enabled. Helps prevent block
         * reservation from attempting to reserve allocation btree blocks.
         */
        atomic64_t              m_allocbt_blks;

        struct radix_tree_root  m_perag_tree;   /* per-ag accounting info */
        spinlock_t              m_perag_lock;   /* lock for m_perag_tree */
        uint64_t                m_resblks;      /* total reserved blocks */
        uint64_t                m_resblks_avail;/* available reserved blocks */
        uint64_t                m_resblks_save; /* reserved blks @ remount,ro */
        struct delayed_work     m_reclaim_work; /* background inode reclaim */
        struct xfs_kobj         m_kobj;
        struct xfs_kobj         m_error_kobj;
        struct xfs_kobj         m_error_meta_kobj;
        struct xfs_error_cfg    m_error_cfg[XFS_ERR_CLASS_MAX][XFS_ERR_ERRNO_MAX];
        struct xstats           m_stats;        /* per-fs stats */
        xfs_agnumber_t          m_agfrotor;     /* last ag where space found */
        xfs_agnumber_t          m_agirotor;     /* last ag dir inode alloced */
        spinlock_t              m_agirotor_lock;/* .. and lock protecting it */

        /* Memory shrinker to throttle and reprioritize inodegc */
        struct shrinker         m_inodegc_shrinker;
        /*
         * Workqueue item so that we can coalesce multiple inode flush attempts
         * into a single flush.
         */
        struct work_struct      m_flush_inodes_work;

        /*
         * Generation of the filesysyem layout.  This is incremented by each
         * growfs, and used by the pNFS server to ensure the client updates
         * its view of the block device once it gets a layout that might
         * reference the newly added blocks.  Does not need to be persistent
         * as long as we only allow file system size increments, but if we
         * ever support shrinks it would have to be persisted in addition
         * to various other kinds of pain inflicted on the pNFS server.
         */
        uint32_t                m_generation;
        struct mutex            m_growlock;     /* growfs mutex */

#ifdef DEBUG
        /*
         * Frequency with which errors are injected.  Replaces xfs_etest; the
         * value stored in here is the inverse of the frequency with which the
         * error triggers.  1 = always, 2 = half the time, etc.
         */
        unsigned int            *m_errortag;
        struct xfs_kobj         m_errortag_kobj;
#endif
} xfs_mount_t;

#define M_IGEO(mp)              (&(mp)->m_ino_geo)

/*
 * Flags for m_features.
 *
 * These are all the active features in the filesystem, regardless of how
 * they are configured.
 */
#define XFS_FEAT_ATTR           (1ULL << 0)     /* xattrs present in fs */
#define XFS_FEAT_NLINK          (1ULL << 1)     /* 32 bit link counts */
#define XFS_FEAT_QUOTA          (1ULL << 2)     /* quota active */
#define XFS_FEAT_ALIGN          (1ULL << 3)     /* inode alignment */
#define XFS_FEAT_DALIGN         (1ULL << 4)     /* data alignment */
#define XFS_FEAT_LOGV2          (1ULL << 5)     /* version 2 logs */
#define XFS_FEAT_SECTOR         (1ULL << 6)     /* sector size > 512 bytes */
#define XFS_FEAT_EXTFLG         (1ULL << 7)     /* unwritten extents */
#define XFS_FEAT_ASCIICI        (1ULL << 8)     /* ASCII only case-insens. */
#define XFS_FEAT_LAZYSBCOUNT    (1ULL << 9)     /* Superblk counters */
#define XFS_FEAT_ATTR2          (1ULL << 10)    /* dynamic attr fork */
#define XFS_FEAT_PARENT         (1ULL << 11)    /* parent pointers */
#define XFS_FEAT_PROJID32       (1ULL << 12)    /* 32 bit project id */
#define XFS_FEAT_CRC            (1ULL << 13)    /* metadata CRCs */
#define XFS_FEAT_V3INODES       (1ULL << 14)    /* Version 3 inodes */
#define XFS_FEAT_PQUOTINO       (1ULL << 15)    /* non-shared proj/grp quotas */
#define XFS_FEAT_FTYPE          (1ULL << 16)    /* inode type in dir */
#define XFS_FEAT_FINOBT         (1ULL << 17)    /* free inode btree */
#define XFS_FEAT_RMAPBT         (1ULL << 18)    /* reverse map btree */
#define XFS_FEAT_REFLINK        (1ULL << 19)    /* reflinked files */
#define XFS_FEAT_SPINODES       (1ULL << 20)    /* sparse inode chunks */
#define XFS_FEAT_META_UUID      (1ULL << 21)    /* metadata UUID */
#define XFS_FEAT_REALTIME       (1ULL << 22)    /* realtime device present */
#define XFS_FEAT_INOBTCNT       (1ULL << 23)    /* inobt block counts */
#define XFS_FEAT_BIGTIME        (1ULL << 24)    /* large timestamps */
#define XFS_FEAT_NEEDSREPAIR    (1ULL << 25)    /* needs xfs_repair */

/* Mount features */
#define XFS_FEAT_NOATTR2        (1ULL << 48)    /* disable attr2 creation */
#define XFS_FEAT_NOALIGN        (1ULL << 49)    /* ignore alignment */
#define XFS_FEAT_ALLOCSIZE      (1ULL << 50)    /* user specified allocation size */
#define XFS_FEAT_LARGE_IOSIZE   (1ULL << 51)    /* report large preferred
                                                 * I/O size in stat() */
#define XFS_FEAT_WSYNC          (1ULL << 52)    /* synchronous metadata ops */
#define XFS_FEAT_DIRSYNC        (1ULL << 53)    /* synchronous directory ops */
#define XFS_FEAT_DISCARD        (1ULL << 54)    /* discard unused blocks */
#define XFS_FEAT_GRPID          (1ULL << 55)    /* group-ID assigned from directory */
#define XFS_FEAT_SMALL_INUMS    (1ULL << 56)    /* user wants 32bit inodes */
#define XFS_FEAT_IKEEP          (1ULL << 57)    /* keep empty inode clusters*/
#define XFS_FEAT_SWALLOC        (1ULL << 58)    /* stripe width allocation */
#define XFS_FEAT_FILESTREAMS    (1ULL << 59)    /* use filestreams allocator */
#define XFS_FEAT_DAX_ALWAYS     (1ULL << 60)    /* DAX always enabled */
#define XFS_FEAT_DAX_NEVER      (1ULL << 61)    /* DAX never enabled */
#define XFS_FEAT_NORECOVERY     (1ULL << 62)    /* no recovery - dirty fs */
#define XFS_FEAT_NOUUID         (1ULL << 63)    /* ignore uuid during mount */

#define __XFS_HAS_FEAT(name, NAME) \
static inline bool xfs_has_ ## name (struct xfs_mount *mp) \
{ \
        return mp->m_features & XFS_FEAT_ ## NAME; \
}

/* Some features can be added dynamically so they need a set wrapper, too. */
#define __XFS_ADD_FEAT(name, NAME) \
        __XFS_HAS_FEAT(name, NAME); \
static inline void xfs_add_ ## name (struct xfs_mount *mp) \
{ \
        mp->m_features |= XFS_FEAT_ ## NAME; \
        xfs_sb_version_add ## name(&mp->m_sb); \
}

/* Superblock features */
__XFS_ADD_FEAT(attr, ATTR)
__XFS_HAS_FEAT(nlink, NLINK)
__XFS_ADD_FEAT(quota, QUOTA)
__XFS_HAS_FEAT(align, ALIGN)
__XFS_HAS_FEAT(dalign, DALIGN)
__XFS_HAS_FEAT(logv2, LOGV2)
__XFS_HAS_FEAT(sector, SECTOR)
__XFS_HAS_FEAT(extflg, EXTFLG)
__XFS_HAS_FEAT(asciici, ASCIICI)
__XFS_HAS_FEAT(lazysbcount, LAZYSBCOUNT)
__XFS_ADD_FEAT(attr2, ATTR2)
__XFS_HAS_FEAT(parent, PARENT)
__XFS_ADD_FEAT(projid32, PROJID32)
__XFS_HAS_FEAT(crc, CRC)
__XFS_HAS_FEAT(v3inodes, V3INODES)
__XFS_HAS_FEAT(pquotino, PQUOTINO)
__XFS_HAS_FEAT(ftype, FTYPE)
__XFS_HAS_FEAT(finobt, FINOBT)
__XFS_HAS_FEAT(rmapbt, RMAPBT)
__XFS_HAS_FEAT(reflink, REFLINK)
__XFS_HAS_FEAT(sparseinodes, SPINODES)
__XFS_HAS_FEAT(metauuid, META_UUID)
__XFS_HAS_FEAT(realtime, REALTIME)
__XFS_HAS_FEAT(inobtcounts, INOBTCNT)
__XFS_HAS_FEAT(bigtime, BIGTIME)
__XFS_HAS_FEAT(needsrepair, NEEDSREPAIR)

/*
 * Mount features
 *
 * These do not change dynamically - features that can come and go, such as 32
 * bit inodes and read-only state, are kept as operational state rather than
 * features.
 */
__XFS_HAS_FEAT(noattr2, NOATTR2)
__XFS_HAS_FEAT(noalign, NOALIGN)
__XFS_HAS_FEAT(allocsize, ALLOCSIZE)
__XFS_HAS_FEAT(large_iosize, LARGE_IOSIZE)
__XFS_HAS_FEAT(wsync, WSYNC)
__XFS_HAS_FEAT(dirsync, DIRSYNC)
__XFS_HAS_FEAT(discard, DISCARD)
__XFS_HAS_FEAT(grpid, GRPID)
__XFS_HAS_FEAT(small_inums, SMALL_INUMS)
__XFS_HAS_FEAT(ikeep, IKEEP)
__XFS_HAS_FEAT(swalloc, SWALLOC)
__XFS_HAS_FEAT(filestreams, FILESTREAMS)
__XFS_HAS_FEAT(dax_always, DAX_ALWAYS)
__XFS_HAS_FEAT(dax_never, DAX_NEVER)
__XFS_HAS_FEAT(norecovery, NORECOVERY)
__XFS_HAS_FEAT(nouuid, NOUUID)

/*
 * Operational mount state flags
 *
 * Use these with atomic bit ops only!
 */
#define XFS_OPSTATE_UNMOUNTING          0       /* filesystem is unmounting */
#define XFS_OPSTATE_CLEAN               1       /* mount was clean */
#define XFS_OPSTATE_SHUTDOWN            2       /* stop all fs operations */
#define XFS_OPSTATE_INODE32             3       /* inode32 allocator active */
#define XFS_OPSTATE_READONLY            4       /* read-only fs */

/*
 * If set, inactivation worker threads will be scheduled to process queued
 * inodegc work.  If not, queued inodes remain in memory waiting to be
 * processed.
 */
#define XFS_OPSTATE_INODEGC_ENABLED     5
/*
 * If set, background speculative prealloc gc worker threads will be scheduled
 * to process queued blockgc work.  If not, inodes retain their preallocations
 * until explicitly deleted.
 */
#define XFS_OPSTATE_BLOCKGC_ENABLED     6

#define __XFS_IS_OPSTATE(name, NAME) \
static inline bool xfs_is_ ## name (struct xfs_mount *mp) \
{ \
        return test_bit(XFS_OPSTATE_ ## NAME, &mp->m_opstate); \
} \
static inline bool xfs_clear_ ## name (struct xfs_mount *mp) \
{ \
        return test_and_clear_bit(XFS_OPSTATE_ ## NAME, &mp->m_opstate); \
} \
static inline bool xfs_set_ ## name (struct xfs_mount *mp) \
{ \
        return test_and_set_bit(XFS_OPSTATE_ ## NAME, &mp->m_opstate); \
}

__XFS_IS_OPSTATE(unmounting, UNMOUNTING)
__XFS_IS_OPSTATE(clean, CLEAN)
__XFS_IS_OPSTATE(shutdown, SHUTDOWN)
__XFS_IS_OPSTATE(inode32, INODE32)
__XFS_IS_OPSTATE(readonly, READONLY)
__XFS_IS_OPSTATE(inodegc_enabled, INODEGC_ENABLED)
__XFS_IS_OPSTATE(blockgc_enabled, BLOCKGC_ENABLED)

#define XFS_OPSTATE_STRINGS \
        { (1UL << XFS_OPSTATE_UNMOUNTING),              "unmounting" }, \
        { (1UL << XFS_OPSTATE_CLEAN),                   "clean" }, \
        { (1UL << XFS_OPSTATE_SHUTDOWN),                "shutdown" }, \
        { (1UL << XFS_OPSTATE_INODE32),                 "inode32" }, \
        { (1UL << XFS_OPSTATE_READONLY),                "read_only" }, \
        { (1UL << XFS_OPSTATE_INODEGC_ENABLED),         "inodegc" }, \
        { (1UL << XFS_OPSTATE_BLOCKGC_ENABLED),         "blockgc" }

/*
 * Max and min values for mount-option defined I/O
 * preallocation sizes.
 */
#define XFS_MAX_IO_LOG          30      /* 1G */
#define XFS_MIN_IO_LOG          PAGE_SHIFT

#define xfs_is_shutdown(mp)             xfs_is_shutdown(mp)
void xfs_do_force_shutdown(struct xfs_mount *mp, int flags, char *fname,
                int lnnum);
#define xfs_force_shutdown(m,f) \
        xfs_do_force_shutdown(m, f, __FILE__, __LINE__)

#define SHUTDOWN_META_IO_ERROR  0x0001  /* write attempt to metadata failed */
#define SHUTDOWN_LOG_IO_ERROR   0x0002  /* write attempt to the log failed */
#define SHUTDOWN_FORCE_UMOUNT   0x0004  /* shutdown from a forced unmount */
#define SHUTDOWN_CORRUPT_INCORE 0x0008  /* corrupt in-memory data structures */

#define XFS_SHUTDOWN_STRINGS \
        { SHUTDOWN_META_IO_ERROR,       "metadata_io" }, \
        { SHUTDOWN_LOG_IO_ERROR,        "log_io" }, \
        { SHUTDOWN_FORCE_UMOUNT,        "force_umount" }, \
        { SHUTDOWN_CORRUPT_INCORE,      "corruption" }

/*
 * Flags for xfs_mountfs
 */
#define XFS_MFSI_QUIET          0x40    /* Be silent if mount errors found */

static inline xfs_agnumber_t
xfs_daddr_to_agno(struct xfs_mount *mp, xfs_daddr_t d)
{
        xfs_rfsblock_t ld = XFS_BB_TO_FSBT(mp, d);
        do_div(ld, mp->m_sb.sb_agblocks);
        return (xfs_agnumber_t) ld;
}

static inline xfs_agblock_t
xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d)
{
        xfs_rfsblock_t ld = XFS_BB_TO_FSBT(mp, d);
        return (xfs_agblock_t) do_div(ld, mp->m_sb.sb_agblocks);
}

int xfs_buf_hash_init(struct xfs_perag *pag);
void xfs_buf_hash_destroy(struct xfs_perag *pag);

extern void     xfs_uuid_table_free(void);
extern uint64_t xfs_default_resblks(xfs_mount_t *mp);
extern int      xfs_mountfs(xfs_mount_t *mp);
extern void     xfs_unmountfs(xfs_mount_t *);

/*
 * Deltas for the block count can vary from 1 to very large, but lock contention
 * only occurs on frequent small block count updates such as in the delayed
 * allocation path for buffered writes (page a time updates). Hence we set
 * a large batch count (1024) to minimise global counter updates except when
 * we get near to ENOSPC and we have to be very accurate with our updates.
 */
#define XFS_FDBLOCKS_BATCH      1024

extern int      xfs_mod_fdblocks(struct xfs_mount *mp, int64_t delta,
                                 bool reserved);
extern int      xfs_mod_frextents(struct xfs_mount *mp, int64_t delta);

extern int      xfs_readsb(xfs_mount_t *, int);
extern void     xfs_freesb(xfs_mount_t *);
extern bool     xfs_fs_writable(struct xfs_mount *mp, int level);
extern int      xfs_sb_validate_fsb_count(struct xfs_sb *, uint64_t);

extern int      xfs_dev_is_read_only(struct xfs_mount *, char *);

extern void     xfs_set_low_space_thresholds(struct xfs_mount *);

int     xfs_zero_extent(struct xfs_inode *ip, xfs_fsblock_t start_fsb,
                        xfs_off_t count_fsb);

struct xfs_error_cfg * xfs_error_get_cfg(struct xfs_mount *mp,
                int error_class, int error);
void xfs_force_summary_recalc(struct xfs_mount *mp);
int xfs_add_incompat_log_feature(struct xfs_mount *mp, uint32_t feature);
bool xfs_clear_incompat_log_features(struct xfs_mount *mp);
void xfs_mod_delalloc(struct xfs_mount *mp, int64_t delta);

#endif  /* __XFS_MOUNT_H__ */