diff options
Diffstat (limited to 'fs/xfs/xfs_mount.h')
| -rw-r--r-- | fs/xfs/xfs_mount.h | 176 |
1 files changed, 93 insertions, 83 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 76ad74758696..c618f7cb5f0e 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -54,13 +54,8 @@ typedef struct xfs_trans_reservations { #else struct cred; struct log; -struct bhv_vfs; -struct bhv_vnode; struct xfs_mount_args; -struct xfs_ihash; -struct xfs_chash; struct xfs_inode; -struct xfs_perag; struct xfs_iocore; struct xfs_bmbt_irec; struct xfs_bmap_free; @@ -68,9 +63,6 @@ struct xfs_extdelta; struct xfs_swapext; struct xfs_mru_cache; -extern struct bhv_vfsops xfs_vfsops; -extern struct bhv_vnodeops xfs_vnodeops; - #define AIL_LOCK_T lock_t #define AIL_LOCKINIT(x,y) spinlock_init(x,y) #define AIL_LOCK_DESTROY(x) spinlock_destroy(x) @@ -82,15 +74,17 @@ extern struct bhv_vnodeops xfs_vnodeops; * Prototypes and functions for the Data Migration subsystem. */ -typedef int (*xfs_send_data_t)(int, struct bhv_vnode *, +typedef int (*xfs_send_data_t)(int, bhv_vnode_t *, xfs_off_t, size_t, int, bhv_vrwlock_t *); typedef int (*xfs_send_mmap_t)(struct vm_area_struct *, uint); -typedef int (*xfs_send_destroy_t)(struct bhv_vnode *, dm_right_t); -typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct bhv_vfs *, - struct bhv_vnode *, - dm_right_t, struct bhv_vnode *, dm_right_t, +typedef int (*xfs_send_destroy_t)(bhv_vnode_t *, dm_right_t); +typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct xfs_mount *, + bhv_vnode_t *, + dm_right_t, bhv_vnode_t *, dm_right_t, char *, char *, mode_t, int, int); -typedef void (*xfs_send_unmount_t)(struct bhv_vfs *, struct bhv_vnode *, +typedef int (*xfs_send_mount_t)(struct xfs_mount *, dm_right_t, + char *, char *); +typedef void (*xfs_send_unmount_t)(struct xfs_mount *, bhv_vnode_t *, dm_right_t, mode_t, int, int); typedef struct xfs_dmops { @@ -98,21 +92,24 @@ typedef struct xfs_dmops { xfs_send_mmap_t xfs_send_mmap; xfs_send_destroy_t xfs_send_destroy; xfs_send_namesp_t xfs_send_namesp; + xfs_send_mount_t xfs_send_mount; xfs_send_unmount_t xfs_send_unmount; } xfs_dmops_t; #define XFS_SEND_DATA(mp, ev,vp,off,len,fl,lock) \ - (*(mp)->m_dm_ops.xfs_send_data)(ev,vp,off,len,fl,lock) + (*(mp)->m_dm_ops->xfs_send_data)(ev,vp,off,len,fl,lock) #define XFS_SEND_MMAP(mp, vma,fl) \ - (*(mp)->m_dm_ops.xfs_send_mmap)(vma,fl) + (*(mp)->m_dm_ops->xfs_send_mmap)(vma,fl) #define XFS_SEND_DESTROY(mp, vp,right) \ - (*(mp)->m_dm_ops.xfs_send_destroy)(vp,right) + (*(mp)->m_dm_ops->xfs_send_destroy)(vp,right) #define XFS_SEND_NAMESP(mp, ev,b1,r1,b2,r2,n1,n2,mode,rval,fl) \ - (*(mp)->m_dm_ops.xfs_send_namesp)(ev,NULL,b1,r1,b2,r2,n1,n2,mode,rval,fl) -#define XFS_SEND_PREUNMOUNT(mp, vfs,b1,r1,b2,r2,n1,n2,mode,rval,fl) \ - (*(mp)->m_dm_ops.xfs_send_namesp)(DM_EVENT_PREUNMOUNT,vfs,b1,r1,b2,r2,n1,n2,mode,rval,fl) -#define XFS_SEND_UNMOUNT(mp, vfsp,vp,right,mode,rval,fl) \ - (*(mp)->m_dm_ops.xfs_send_unmount)(vfsp,vp,right,mode,rval,fl) + (*(mp)->m_dm_ops->xfs_send_namesp)(ev,NULL,b1,r1,b2,r2,n1,n2,mode,rval,fl) +#define XFS_SEND_PREUNMOUNT(mp,b1,r1,b2,r2,n1,n2,mode,rval,fl) \ + (*(mp)->m_dm_ops->xfs_send_namesp)(DM_EVENT_PREUNMOUNT,mp,b1,r1,b2,r2,n1,n2,mode,rval,fl) +#define XFS_SEND_MOUNT(mp,right,path,name) \ + (*(mp)->m_dm_ops->xfs_send_mount)(mp,right,path,name) +#define XFS_SEND_UNMOUNT(mp, vp,right,mode,rval,fl) \ + (*(mp)->m_dm_ops->xfs_send_unmount)(mp,vp,right,mode,rval,fl) /* @@ -142,6 +139,9 @@ typedef struct xfs_dquot * (*xfs_dqvopchown_t)( struct xfs_dquot **, struct xfs_dquot *); typedef int (*xfs_dqvopchownresv_t)(struct xfs_trans *, struct xfs_inode *, struct xfs_dquot *, struct xfs_dquot *, uint); +typedef void (*xfs_dqstatvfs_t)(struct xfs_inode *, bhv_statvfs_t *); +typedef int (*xfs_dqsync_t)(struct xfs_mount *, int flags); +typedef int (*xfs_quotactl_t)(struct xfs_mount *, int, int, xfs_caddr_t); typedef struct xfs_qmops { xfs_qminit_t xfs_qminit; @@ -157,42 +157,51 @@ typedef struct xfs_qmops { xfs_dqvoprename_t xfs_dqvoprename; xfs_dqvopchown_t xfs_dqvopchown; xfs_dqvopchownresv_t xfs_dqvopchownresv; + xfs_dqstatvfs_t xfs_dqstatvfs; + xfs_dqsync_t xfs_dqsync; + xfs_quotactl_t xfs_quotactl; struct xfs_dqtrxops *xfs_dqtrxops; } xfs_qmops_t; #define XFS_QM_INIT(mp, mnt, fl) \ - (*(mp)->m_qm_ops.xfs_qminit)(mp, mnt, fl) + (*(mp)->m_qm_ops->xfs_qminit)(mp, mnt, fl) #define XFS_QM_MOUNT(mp, mnt, fl, mfsi_flags) \ - (*(mp)->m_qm_ops.xfs_qmmount)(mp, mnt, fl, mfsi_flags) + (*(mp)->m_qm_ops->xfs_qmmount)(mp, mnt, fl, mfsi_flags) #define XFS_QM_UNMOUNT(mp) \ - (*(mp)->m_qm_ops.xfs_qmunmount)(mp) + (*(mp)->m_qm_ops->xfs_qmunmount)(mp) #define XFS_QM_DONE(mp) \ - (*(mp)->m_qm_ops.xfs_qmdone)(mp) + (*(mp)->m_qm_ops->xfs_qmdone)(mp) #define XFS_QM_DQRELE(mp, dq) \ - (*(mp)->m_qm_ops.xfs_dqrele)(dq) + (*(mp)->m_qm_ops->xfs_dqrele)(dq) #define XFS_QM_DQATTACH(mp, ip, fl) \ - (*(mp)->m_qm_ops.xfs_dqattach)(ip, fl) + (*(mp)->m_qm_ops->xfs_dqattach)(ip, fl) #define XFS_QM_DQDETACH(mp, ip) \ - (*(mp)->m_qm_ops.xfs_dqdetach)(ip) + (*(mp)->m_qm_ops->xfs_dqdetach)(ip) #define XFS_QM_DQPURGEALL(mp, fl) \ - (*(mp)->m_qm_ops.xfs_dqpurgeall)(mp, fl) + (*(mp)->m_qm_ops->xfs_dqpurgeall)(mp, fl) #define XFS_QM_DQVOPALLOC(mp, ip, uid, gid, prid, fl, dq1, dq2) \ - (*(mp)->m_qm_ops.xfs_dqvopalloc)(mp, ip, uid, gid, prid, fl, dq1, dq2) + (*(mp)->m_qm_ops->xfs_dqvopalloc)(mp, ip, uid, gid, prid, fl, dq1, dq2) #define XFS_QM_DQVOPCREATE(mp, tp, ip, dq1, dq2) \ - (*(mp)->m_qm_ops.xfs_dqvopcreate)(tp, ip, dq1, dq2) + (*(mp)->m_qm_ops->xfs_dqvopcreate)(tp, ip, dq1, dq2) #define XFS_QM_DQVOPRENAME(mp, ip) \ - (*(mp)->m_qm_ops.xfs_dqvoprename)(ip) + (*(mp)->m_qm_ops->xfs_dqvoprename)(ip) #define XFS_QM_DQVOPCHOWN(mp, tp, ip, dqp, dq) \ - (*(mp)->m_qm_ops.xfs_dqvopchown)(tp, ip, dqp, dq) + (*(mp)->m_qm_ops->xfs_dqvopchown)(tp, ip, dqp, dq) #define XFS_QM_DQVOPCHOWNRESV(mp, tp, ip, dq1, dq2, fl) \ - (*(mp)->m_qm_ops.xfs_dqvopchownresv)(tp, ip, dq1, dq2, fl) + (*(mp)->m_qm_ops->xfs_dqvopchownresv)(tp, ip, dq1, dq2, fl) +#define XFS_QM_DQSTATVFS(ip, statp) \ + (*(ip)->i_mount->m_qm_ops->xfs_dqstatvfs)(ip, statp) +#define XFS_QM_DQSYNC(mp, flags) \ + (*(mp)->m_qm_ops->xfs_dqsync)(mp, flags) +#define XFS_QM_QUOTACTL(mp, cmd, id, addr) \ + (*(mp)->m_qm_ops->xfs_quotactl)(mp, cmd, id, addr) /* * Prototypes and functions for I/O core modularization. */ -typedef int (*xfs_ioinit_t)(struct bhv_vfs *, +typedef int (*xfs_ioinit_t)(struct xfs_mount *, struct xfs_mount_args *, int); typedef int (*xfs_bmapi_t)(struct xfs_trans *, void *, xfs_fileoff_t, xfs_filblks_t, int, @@ -222,7 +231,7 @@ typedef void (*xfs_lock_demote_t)(void *, uint); typedef int (*xfs_lock_nowait_t)(void *, uint); typedef void (*xfs_unlk_t)(void *, unsigned int); typedef xfs_fsize_t (*xfs_size_t)(void *); -typedef xfs_fsize_t (*xfs_iodone_t)(struct bhv_vfs *); +typedef xfs_fsize_t (*xfs_iodone_t)(struct xfs_mount *); typedef int (*xfs_swap_extents_t)(void *, void *, struct xfs_swapext*); @@ -245,8 +254,8 @@ typedef struct xfs_ioops { xfs_swap_extents_t xfs_swap_extents_func; } xfs_ioops_t; -#define XFS_IOINIT(vfsp, args, flags) \ - (*(mp)->m_io_ops.xfs_ioinit)(vfsp, args, flags) +#define XFS_IOINIT(mp, args, flags) \ + (*(mp)->m_io_ops.xfs_ioinit)(mp, args, flags) #define XFS_BMAPI(mp, trans,io,bno,len,f,first,tot,mval,nmap,flist,delta) \ (*(mp)->m_io_ops.xfs_bmapi_func) \ (trans,(io)->io_obj,bno,len,f,first,tot,mval,nmap,flist,delta) @@ -280,8 +289,8 @@ typedef struct xfs_ioops { (*(mp)->m_io_ops.xfs_ilock_demote)((io)->io_obj, mode) #define XFS_SIZE(mp, io) \ (*(mp)->m_io_ops.xfs_size_func)((io)->io_obj) -#define XFS_IODONE(vfsp) \ - (*(mp)->m_io_ops.xfs_iodone)(vfsp) +#define XFS_IODONE(mp) \ + (*(mp)->m_io_ops.xfs_iodone)(mp) #define XFS_SWAP_EXTENTS(mp, io, tio, sxp) \ (*(mp)->m_io_ops.xfs_swap_extents_func) \ ((io)->io_obj, (tio)->io_obj, sxp) @@ -318,7 +327,7 @@ extern void xfs_icsb_sync_counters_flags(struct xfs_mount *, int); #endif typedef struct xfs_mount { - bhv_desc_t m_bhv; /* vfs xfs behavior */ + struct super_block *m_super; xfs_tid_t m_tid; /* next unused tid for fs */ AIL_LOCK_T m_ail_lock; /* fs AIL mutex */ xfs_ail_entry_t m_ail; /* fs active log item list */ @@ -335,8 +344,6 @@ typedef struct xfs_mount { xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */ lock_t m_agirotor_lock;/* .. and lock protecting it */ xfs_agnumber_t m_maxagi; /* highest inode alloc group */ - size_t m_ihsize; /* size of next field */ - struct xfs_ihash *m_ihash; /* fs private inode hash table*/ struct xfs_inode *m_inodes; /* active inode list */ struct list_head m_del_inodes; /* inodes to reclaim */ mutex_t m_ilock; /* inode list mutex */ @@ -362,7 +369,6 @@ typedef struct xfs_mount { __uint8_t m_blkbb_log; /* blocklog - BBSHIFT */ __uint8_t m_agno_log; /* log #ag's */ __uint8_t m_agino_log; /* #bits for agino in inum */ - __uint8_t m_nreadaheads; /* #readahead buffers */ __uint16_t m_inode_cluster_size;/* min inode buf size */ uint m_blockmask; /* sb_blocksize-1 */ uint m_blockwsize; /* sb_blocksize in words */ @@ -378,7 +384,7 @@ typedef struct xfs_mount { uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */ struct xfs_perag *m_perag; /* per-ag accounting info */ struct rw_semaphore m_peraglock; /* lock for m_perag (pointer) */ - sema_t m_growlock; /* growfs mutex */ + struct mutex m_growlock; /* growfs mutex */ int m_fixedfsid[2]; /* unchanged for life of FS */ uint m_dmevmask; /* DMI events for this FS */ __uint64_t m_flags; /* global mount flags */ @@ -415,8 +421,8 @@ typedef struct xfs_mount { uint m_chsize; /* size of next field */ struct xfs_chash *m_chash; /* fs private inode per-cluster * hash table */ - struct xfs_dmops m_dm_ops; /* vector of DMI ops */ - struct xfs_qmops m_qm_ops; /* vector of XQM ops */ + struct xfs_dmops *m_dm_ops; /* vector of DMI ops */ + struct xfs_qmops *m_qm_ops; /* vector of XQM ops */ struct xfs_ioops m_io_ops; /* vector of I/O ops */ atomic_t m_active_trans; /* number trans frozen */ #ifdef HAVE_PERCPU_SB @@ -426,6 +432,12 @@ typedef struct xfs_mount { struct mutex m_icsb_mutex; /* balancer sync lock */ #endif struct xfs_mru_cache *m_filestream; /* per-mount filestream data */ + struct task_struct *m_sync_task; /* generalised sync thread */ + bhv_vfs_sync_work_t m_sync_work; /* work item for VFS_SYNC */ + struct list_head m_sync_list; /* sync thread work item list */ + spinlock_t m_sync_lock; /* work item list lock */ + int m_sync_seq; /* sync thread generation no. */ + wait_queue_head_t m_wait_single_sync_task; } xfs_mount_t; /* @@ -435,7 +447,7 @@ typedef struct xfs_mount { must be synchronous except for space allocations */ #define XFS_MOUNT_INO64 (1ULL << 1) - /* (1ULL << 2) -- currently unused */ +#define XFS_MOUNT_DMAPI (1ULL << 2) /* dmapi is enabled */ #define XFS_MOUNT_WAS_CLEAN (1ULL << 3) #define XFS_MOUNT_FS_SHUTDOWN (1ULL << 4) /* atomic stop of all filesystem operations, typically for @@ -445,7 +457,7 @@ typedef struct xfs_mount { #define XFS_MOUNT_NOALIGN (1ULL << 7) /* turn off stripe alignment allocations */ #define XFS_MOUNT_ATTR2 (1ULL << 8) /* allow use of attr2 format */ - /* (1ULL << 9) -- currently unused */ +#define XFS_MOUNT_GRPID (1ULL << 9) /* group-ID assigned from directory */ #define XFS_MOUNT_NORECOVERY (1ULL << 10) /* no recovery - dirty fs */ #define XFS_MOUNT_SHARED (1ULL << 11) /* shared mount */ #define XFS_MOUNT_DFLT_IOSIZE (1ULL << 12) /* set default i/o size */ @@ -453,13 +465,13 @@ typedef struct xfs_mount { /* osyncisdsync is now default*/ #define XFS_MOUNT_32BITINODES (1ULL << 14) /* do not create inodes above * 32 bits in size */ - /* (1ULL << 15) -- currently unused */ +#define XFS_MOUNT_SMALL_INUMS (1ULL << 15) /* users wants 32bit inodes */ #define XFS_MOUNT_NOUUID (1ULL << 16) /* ignore uuid during mount */ #define XFS_MOUNT_BARRIER (1ULL << 17) #define XFS_MOUNT_IDELETE (1ULL << 18) /* delete empty inode clusters*/ #define XFS_MOUNT_SWALLOC (1ULL << 19) /* turn on stripe width * allocation */ -#define XFS_MOUNT_IHASHSIZE (1ULL << 20) /* inode hash table size */ +#define XFS_MOUNT_RDONLY (1ULL << 20) /* read-only fs */ #define XFS_MOUNT_DIRSYNC (1ULL << 21) /* synchronous directory ops */ #define XFS_MOUNT_COMPAT_IOSIZE (1ULL << 22) /* don't report large preferred * I/O size in stat() */ @@ -518,8 +530,10 @@ xfs_preferred_iosize(xfs_mount_t *mp) #define XFS_LAST_UNMOUNT_WAS_CLEAN(mp) \ ((mp)->m_flags & XFS_MOUNT_WAS_CLEAN) #define XFS_FORCED_SHUTDOWN(mp) ((mp)->m_flags & XFS_MOUNT_FS_SHUTDOWN) +void xfs_do_force_shutdown(struct xfs_mount *mp, int flags, char *fname, + int lnnum); #define xfs_force_shutdown(m,f) \ - bhv_vfs_force_shutdown((XFS_MTOVFS(m)), f, __FILE__, __LINE__) + xfs_do_force_shutdown(m, f, __FILE__, __LINE__) /* * Flags for xfs_mountfs @@ -533,28 +547,6 @@ xfs_preferred_iosize(xfs_mount_t *mp) /* XFS_MFSI_CONVERT_SUNIT */ #define XFS_MFSI_QUIET 0x40 /* Be silent if mount errors found */ -/* - * Macros for getting from mount to vfs and back. - */ -#define XFS_MTOVFS(mp) xfs_mtovfs(mp) -static inline struct bhv_vfs *xfs_mtovfs(xfs_mount_t *mp) -{ - return bhvtovfs(&mp->m_bhv); -} - -#define XFS_BHVTOM(bdp) xfs_bhvtom(bdp) -static inline xfs_mount_t *xfs_bhvtom(bhv_desc_t *bdp) -{ - return (xfs_mount_t *)BHV_PDATA(bdp); -} - -#define XFS_VFSTOM(vfs) xfs_vfstom(vfs) -static inline xfs_mount_t *xfs_vfstom(bhv_vfs_t *vfs) -{ - return XFS_BHVTOM(bhv_lookup_range(VFS_BHVHEAD(vfs), - VFS_POSITION_XFS, VFS_POSITION_XFS)); -} - #define XFS_DADDR_TO_AGNO(mp,d) xfs_daddr_to_agno(mp,d) static inline xfs_agnumber_t xfs_daddr_to_agno(struct xfs_mount *mp, xfs_daddr_t d) @@ -573,6 +565,21 @@ xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d) } /* + * perag get/put wrappers for eventual ref counting + */ +static inline xfs_perag_t * +xfs_get_perag(struct xfs_mount *mp, xfs_ino_t ino) +{ + return &mp->m_perag[XFS_INO_TO_AGNO(mp, ino)]; +} + +static inline void +xfs_put_perag(struct xfs_mount *mp, xfs_perag_t *pag) +{ + /* nothing to see here, move along */ +} + +/* * Per-cpu superblock locking functions */ #ifdef HAVE_PERCPU_SB @@ -609,8 +616,8 @@ typedef struct xfs_mod_sb { extern xfs_mount_t *xfs_mount_init(void); extern void xfs_mod_sb(xfs_trans_t *, __int64_t); extern int xfs_log_sbcount(xfs_mount_t *, uint); -extern void xfs_mount_free(xfs_mount_t *mp, int remove_bhv); -extern int xfs_mountfs(struct bhv_vfs *, xfs_mount_t *mp, int); +extern void xfs_mount_free(xfs_mount_t *mp); +extern int xfs_mountfs(xfs_mount_t *mp, int); extern void xfs_mountfs_check_barriers(xfs_mount_t *mp); extern int xfs_unmountfs(xfs_mount_t *, struct cred *); @@ -626,16 +633,19 @@ extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int); extern int xfs_readsb(xfs_mount_t *, int); extern void xfs_freesb(xfs_mount_t *); extern int xfs_fs_writable(xfs_mount_t *); -extern void xfs_do_force_shutdown(bhv_desc_t *, int, char *, int); extern int xfs_syncsub(xfs_mount_t *, int, int *); extern int xfs_sync_inodes(xfs_mount_t *, int, int *); -extern xfs_agnumber_t xfs_initialize_perag(struct bhv_vfs *, xfs_mount_t *, - xfs_agnumber_t); -extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t); +extern xfs_agnumber_t xfs_initialize_perag(xfs_mount_t *, xfs_agnumber_t); +extern void xfs_sb_from_disk(struct xfs_sb *, struct xfs_dsb *); +extern void xfs_sb_to_disk(struct xfs_dsb *, struct xfs_sb *, __int64_t); extern int xfs_sb_validate_fsb_count(struct xfs_sb *, __uint64_t); -extern struct xfs_dmops xfs_dmcore_stub; -extern struct xfs_qmops xfs_qmcore_stub; +extern int xfs_dmops_get(struct xfs_mount *, struct xfs_mount_args *); +extern void xfs_dmops_put(struct xfs_mount *); +extern int xfs_qmops_get(struct xfs_mount *, struct xfs_mount_args *); +extern void xfs_qmops_put(struct xfs_mount *); + +extern struct xfs_dmops xfs_dmcore_xfs; extern struct xfs_ioops xfs_iocore_xfs; extern int xfs_init(void); |