diff options
Diffstat (limited to 'sys/gnu/fs/xfs/xfs_mount.h')
| -rw-r--r-- | sys/gnu/fs/xfs/xfs_mount.h | 626 |
1 files changed, 0 insertions, 626 deletions
diff --git a/sys/gnu/fs/xfs/xfs_mount.h b/sys/gnu/fs/xfs/xfs_mount.h deleted file mode 100644 index 02ad298..0000000 --- a/sys/gnu/fs/xfs/xfs_mount.h +++ /dev/null @@ -1,626 +0,0 @@ -/* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_MOUNT_H__ -#define __XFS_MOUNT_H__ - -typedef struct xfs_trans_reservations { - uint tr_write; /* extent alloc trans */ - uint tr_itruncate; /* truncate trans */ - uint tr_rename; /* rename trans */ - uint tr_link; /* link trans */ - uint tr_remove; /* unlink trans */ - uint tr_symlink; /* symlink trans */ - uint tr_create; /* create trans */ - uint tr_mkdir; /* mkdir trans */ - uint tr_ifree; /* inode free trans */ - uint tr_ichange; /* inode update trans */ - uint tr_growdata; /* fs data section grow trans */ - uint tr_swrite; /* sync write inode trans */ - uint tr_addafork; /* cvt inode to attributed trans */ - uint tr_writeid; /* write setuid/setgid file */ - uint tr_attrinval; /* attr fork buffer invalidation */ - uint tr_attrset; /* set/create an attribute */ - uint tr_attrrm; /* remove an attribute */ - uint tr_clearagi; /* clear bad agi unlinked ino bucket */ - uint tr_growrtalloc; /* grow realtime allocations */ - uint tr_growrtzero; /* grow realtime zeroing */ - uint tr_growrtfree; /* grow realtime freeing */ -} xfs_trans_reservations_t; - -#ifndef __KERNEL__ -/* - * Moved here from xfs_ag.h to avoid reordering header files - */ -#define XFS_DADDR_TO_AGNO(mp,d) \ - ((xfs_agnumber_t)(XFS_BB_TO_FSBT(mp, d) / (mp)->m_sb.sb_agblocks)) -#define XFS_DADDR_TO_AGBNO(mp,d) \ - ((xfs_agblock_t)(XFS_BB_TO_FSBT(mp, d) % (mp)->m_sb.sb_agblocks)) -#else -struct cred; -struct log; -struct xfs_vfs; -struct xfs_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; -struct xfs_extdelta; -struct xfs_swapext; - -extern struct xvfsops xfs_vfsops; -//extern struct xvnodeops 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) -#define AIL_LOCK(mp,s) s=mutex_spinlock(&(mp)->m_ail_lock) -#define AIL_UNLOCK(mp,s) mutex_spinunlock(&(mp)->m_ail_lock, s) - - -/* - * Prototypes and functions for the Data Migration subsystem. - */ - -typedef int (*xfs_send_data_t)(int, struct xfs_vnode *, - xfs_off_t, size_t, int, vrwlock_t *); -typedef int (*xfs_send_mmap_t)(void*, uint); -typedef int (*xfs_send_destroy_t)(struct xfs_vnode *, dm_right_t); -typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct xfs_vfs *, - struct xfs_vnode *, - dm_right_t, struct xfs_vnode *, dm_right_t, - char *, char *, mode_t, int, int); -typedef void (*xfs_send_unmount_t)(struct xfs_vfs *, struct xfs_vnode *, - dm_right_t, mode_t, int, int); - -typedef struct xfs_dmops { - xfs_send_data_t xfs_send_data; - xfs_send_mmap_t xfs_send_mmap; - xfs_send_destroy_t xfs_send_destroy; - xfs_send_namesp_t xfs_send_namesp; - 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) -#define XFS_SEND_MMAP(mp, 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) -#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) - - -/* - * Prototypes and functions for the Quota Management subsystem. - */ - -struct xfs_dquot; -struct xfs_dqtrxops; -struct xfs_quotainfo; - -typedef int (*xfs_qminit_t)(struct xfs_mount *, uint *, uint *); -typedef int (*xfs_qmmount_t)(struct xfs_mount *, uint, uint, int); -typedef int (*xfs_qmunmount_t)(struct xfs_mount *); -typedef void (*xfs_qmdone_t)(struct xfs_mount *); -typedef void (*xfs_dqrele_t)(struct xfs_dquot *); -typedef int (*xfs_dqattach_t)(struct xfs_inode *, uint); -typedef void (*xfs_dqdetach_t)(struct xfs_inode *); -typedef int (*xfs_dqpurgeall_t)(struct xfs_mount *, uint); -typedef int (*xfs_dqvopalloc_t)(struct xfs_mount *, - struct xfs_inode *, uid_t, gid_t, prid_t, uint, - struct xfs_dquot **, struct xfs_dquot **); -typedef void (*xfs_dqvopcreate_t)(struct xfs_trans *, struct xfs_inode *, - struct xfs_dquot *, struct xfs_dquot *); -typedef int (*xfs_dqvoprename_t)(struct xfs_inode **); -typedef struct xfs_dquot * (*xfs_dqvopchown_t)( - struct xfs_trans *, struct xfs_inode *, - 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 struct xfs_qmops { - xfs_qminit_t xfs_qminit; - xfs_qmdone_t xfs_qmdone; - xfs_qmmount_t xfs_qmmount; - xfs_qmunmount_t xfs_qmunmount; - xfs_dqrele_t xfs_dqrele; - xfs_dqattach_t xfs_dqattach; - xfs_dqdetach_t xfs_dqdetach; - xfs_dqpurgeall_t xfs_dqpurgeall; - xfs_dqvopalloc_t xfs_dqvopalloc; - xfs_dqvopcreate_t xfs_dqvopcreate; - xfs_dqvoprename_t xfs_dqvoprename; - xfs_dqvopchown_t xfs_dqvopchown; - xfs_dqvopchownresv_t xfs_dqvopchownresv; - struct xfs_dqtrxops *xfs_dqtrxops; -} xfs_qmops_t; - -#define XFS_QM_INIT(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) -#define XFS_QM_UNMOUNT(mp) \ - (*(mp)->m_qm_ops.xfs_qmunmount)(mp) -#define XFS_QM_DONE(mp) \ - (*(mp)->m_qm_ops.xfs_qmdone)(mp) -#define XFS_QM_DQRELE(mp, dq) \ - (*(mp)->m_qm_ops.xfs_dqrele)(dq) -#define XFS_QM_DQATTACH(mp, ip, fl) \ - (*(mp)->m_qm_ops.xfs_dqattach)(ip, fl) -#define XFS_QM_DQDETACH(mp, ip) \ - (*(mp)->m_qm_ops.xfs_dqdetach)(ip) -#define XFS_QM_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) -#define XFS_QM_DQVOPCREATE(mp, 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) -#define XFS_QM_DQVOPCHOWN(mp, 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) - - -/* - * Prototypes and functions for I/O core modularization. - */ - -typedef int (*xfs_ioinit_t)(struct xfs_vfs *, - struct xfs_mount_args *, int); -typedef int (*xfs_bmapi_t)(struct xfs_trans *, void *, - xfs_fileoff_t, xfs_filblks_t, int, - xfs_fsblock_t *, xfs_extlen_t, - struct xfs_bmbt_irec *, int *, - struct xfs_bmap_free *, struct xfs_extdelta *); -typedef int (*xfs_bunmapi_t)(struct xfs_trans *, - void *, xfs_fileoff_t, - xfs_filblks_t, int, xfs_extnum_t, - xfs_fsblock_t *, struct xfs_bmap_free *, - struct xfs_extdelta *, int *); -typedef int (*xfs_bmap_eof_t)(void *, xfs_fileoff_t, int, int *); -typedef int (*xfs_iomap_write_direct_t)( - void *, xfs_off_t, size_t, int, - struct xfs_bmbt_irec *, int *, int); -typedef int (*xfs_iomap_write_delay_t)( - void *, xfs_off_t, size_t, int, - struct xfs_bmbt_irec *, int *); -typedef int (*xfs_iomap_write_allocate_t)( - void *, xfs_off_t, size_t, - struct xfs_bmbt_irec *, int *); -typedef int (*xfs_iomap_write_unwritten_t)( - void *, xfs_off_t, size_t); -typedef uint (*xfs_lck_map_shared_t)(void *); -typedef void (*xfs_lock_t)(void *, uint); -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 xfs_vfs *); -typedef int (*xfs_swap_extents_t)(void *, void *, - struct xfs_swapext*); - -typedef struct xfs_ioops { - xfs_ioinit_t xfs_ioinit; - xfs_bmapi_t xfs_bmapi_func; - xfs_bunmapi_t xfs_bunmapi_func; - xfs_bmap_eof_t xfs_bmap_eof_func; - xfs_iomap_write_direct_t xfs_iomap_write_direct; - xfs_iomap_write_delay_t xfs_iomap_write_delay; - xfs_iomap_write_allocate_t xfs_iomap_write_allocate; - xfs_iomap_write_unwritten_t xfs_iomap_write_unwritten; - xfs_lock_t xfs_ilock; - xfs_lck_map_shared_t xfs_lck_map_shared; - xfs_lock_demote_t xfs_ilock_demote; - xfs_lock_nowait_t xfs_ilock_nowait; - xfs_unlk_t xfs_unlock; - xfs_size_t xfs_size_func; - xfs_iodone_t xfs_iodone; - 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_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) -#define XFS_BUNMAPI(mp, trans,io,bno,len,f,nexts,first,flist,delta,done) \ - (*(mp)->m_io_ops.xfs_bunmapi_func) \ - (trans,(io)->io_obj,bno,len,f,nexts,first,flist,delta,done) -#define XFS_BMAP_EOF(mp, io, endoff, whichfork, eof) \ - (*(mp)->m_io_ops.xfs_bmap_eof_func) \ - ((io)->io_obj, endoff, whichfork, eof) -#define XFS_IOMAP_WRITE_DIRECT(mp, io, offset, count, flags, mval, nmap, found)\ - (*(mp)->m_io_ops.xfs_iomap_write_direct) \ - ((io)->io_obj, offset, count, flags, mval, nmap, found) -#define XFS_IOMAP_WRITE_DELAY(mp, io, offset, count, flags, mval, nmap) \ - (*(mp)->m_io_ops.xfs_iomap_write_delay) \ - ((io)->io_obj, offset, count, flags, mval, nmap) -#define XFS_IOMAP_WRITE_ALLOCATE(mp, io, offset, count, mval, nmap) \ - (*(mp)->m_io_ops.xfs_iomap_write_allocate) \ - ((io)->io_obj, offset, count, mval, nmap) -#define XFS_IOMAP_WRITE_UNWRITTEN(mp, io, offset, count) \ - (*(mp)->m_io_ops.xfs_iomap_write_unwritten) \ - ((io)->io_obj, offset, count) -#define XFS_LCK_MAP_SHARED(mp, io) \ - (*(mp)->m_io_ops.xfs_lck_map_shared)((io)->io_obj) -#define XFS_ILOCK(mp, io, mode) \ - (*(mp)->m_io_ops.xfs_ilock)((io)->io_obj, mode) -#define XFS_ILOCK_NOWAIT(mp, io, mode) \ - (*(mp)->m_io_ops.xfs_ilock_nowait)((io)->io_obj, mode) -#define XFS_IUNLOCK(mp, io, mode) \ - (*(mp)->m_io_ops.xfs_unlock)((io)->io_obj, mode) -#define XFS_ILOCK_DEMOTE(mp, io, mode) \ - (*(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_SWAP_EXTENTS(mp, io, tio, sxp) \ - (*(mp)->m_io_ops.xfs_swap_extents_func) \ - ((io)->io_obj, (tio)->io_obj, sxp) - -#ifdef HAVE_PERCPU_SB - -/* - * Valid per-cpu incore superblock counters. Note that if you add new counters, - * you may need to define new counter disabled bit field descriptors as there - * are more possible fields in the superblock that can fit in a bitfield on a - * 32 bit platform. The XFS_SBS_* values for the current current counters just - * fit. - */ -typedef struct xfs_icsb_cnts { - uint64_t icsb_fdblocks; - uint64_t icsb_ifree; - uint64_t icsb_icount; - unsigned long icsb_flags; -} xfs_icsb_cnts_t; - -#define XFS_ICSB_FLAG_LOCK (1 << 0) /* counter lock bit */ - -#define XFS_ICSB_SB_LOCKED (1 << 0) /* sb already locked */ -#define XFS_ICSB_LAZY_COUNT (1 << 1) /* accuracy not needed */ - -extern int xfs_icsb_init_counters(struct xfs_mount *); -extern void xfs_icsb_sync_counters_lazy(struct xfs_mount *); - -#else -#define xfs_icsb_init_counters(mp) (0) -#define xfs_icsb_sync_counters_lazy(mp) do { } while (0) -#endif - -typedef struct xfs_mount { - bhv_desc_t m_bhv; /* vfs xfs behavior */ - 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 */ - uint m_ail_gen; /* fs AIL generation count */ - xfs_sb_t m_sb; /* copy of fs superblock */ - lock_t m_sb_lock; /* sb counter mutex */ - struct xfs_buf *m_sb_bp; /* buffer for superblock */ - char *m_fsname; /* filesystem name */ - int m_fsname_len; /* strlen of fs name */ - char *m_rtname; /* realtime device name */ - char *m_logname; /* external log device name */ - int m_bsize; /* fs logical block size */ - xfs_agnumber_t m_agfrotor; /* last ag where space found */ - 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 */ - uint m_ihsize; /* size of next field */ - struct xfs_ihash *m_ihash; /* fs private inode hash table*/ - struct xfs_inode *m_inodes; /* active inode list */ - TAILQ_HEAD(,xfs_inode) m_del_inodes; /* inodes to reclaim */ - // xfs_mutex_t m_ilock; /* inode list mutex */ - /* FreeBSD specfic */ - struct sx m_ilock; /* inode list mutex */ - uint m_ireclaims; /* count of calls to reclaim*/ - uint m_readio_log; /* min read size log bytes */ - uint m_readio_blocks; /* min read size blocks */ - uint m_writeio_log; /* min write size log bytes */ - uint m_writeio_blocks; /* min write size blocks */ - struct log *m_log; /* log specific stuff */ - 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 */ - 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 */ - __uint8_t m_dircook_elog; /* log d-cookie entry bits */ - __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_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 */ - uint m_blockwmask; /* blockwsize-1 */ - uint m_alloc_mxr[2]; /* XFS_ALLOC_BLOCK_MAXRECS */ - uint m_alloc_mnr[2]; /* XFS_ALLOC_BLOCK_MINRECS */ - uint m_bmap_dmxr[2]; /* XFS_BMAP_BLOCK_DMAXRECS */ - uint m_bmap_dmnr[2]; /* XFS_BMAP_BLOCK_DMINRECS */ - uint m_inobt_mxr[2]; /* XFS_INOBT_BLOCK_MAXRECS */ - uint m_inobt_mnr[2]; /* XFS_INOBT_BLOCK_MINRECS */ - uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */ - uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */ - 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 */ - int m_fixedfsid[2]; /* unchanged for life of FS */ - uint m_dmevmask; /* DMI events for this FS */ - __uint64_t m_flags; /* global mount flags */ - uint m_attroffset; /* inode attribute offset */ - uint m_dir_node_ents; /* #entries in a dir danode */ - uint m_attr_node_ents; /* #entries in attr danode */ - int m_ialloc_inos; /* inodes in inode allocation */ - int m_ialloc_blks; /* blocks in inode allocation */ - int m_litino; /* size of inode union area */ - int m_inoalign_mask;/* mask sb_inoalignmt if used */ - uint m_qflags; /* quota status flags */ - xfs_trans_reservations_t m_reservations;/* precomputed res values */ - __uint64_t m_maxicount; /* maximum inode count */ - __uint64_t m_maxioffset; /* maximum inode offset */ - __uint64_t m_resblks; /* total reserved blocks */ - __uint64_t m_resblks_avail;/* available reserved blocks */ -#if XFS_BIG_INUMS - xfs_ino_t m_inoadd; /* add value for ino64_offset */ -#endif - int m_dalign; /* stripe unit */ - int m_swidth; /* stripe width */ - int m_sinoalign; /* stripe unit inode alignment */ - int m_attr_magicpct;/* 37% of the blocksize */ - int m_dir_magicpct; /* 37% of the dir blocksize */ - __uint8_t m_mk_sharedro; /* mark shared ro on unmount */ - __uint8_t m_inode_quiesce;/* call quiesce on new inodes. - field governed by m_ilock */ - __uint8_t m_sectbb_log; /* sectlog - BBSHIFT */ - __uint8_t m_dirversion; /* 1 or 2 */ - xfs_dirops_t m_dirops; /* table of dir funcs */ - int m_dirblksize; /* directory block sz--bytes */ - int m_dirblkfsbs; /* directory block sz--fsbs */ - xfs_dablk_t m_dirdatablk; /* blockno of dir data v2 */ - xfs_dablk_t m_dirleafblk; /* blockno of dir non-data v2 */ - xfs_dablk_t m_dirfreeblk; /* blockno of dirfreeindex v2 */ - 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_ioops m_io_ops; /* vector of I/O ops */ - atomic_t m_active_trans; /* number trans frozen */ -#ifdef HAVE_PERCPU_SB - xfs_icsb_cnts_t *m_sb_cnts; /* per-cpu superblock counters */ - unsigned long m_icsb_counters; /* disabled per-cpu counters */ - struct notifier_block m_icsb_notifier; /* hotplug cpu notifier */ -#endif -} xfs_mount_t; - -/* - * Flags for m_flags. - */ -#define XFS_MOUNT_WSYNC (1ULL << 0) /* for nfs - all metadata ops - must be synchronous except - for space allocations */ -#define XFS_MOUNT_INO64 (1ULL << 1) - /* (1ULL << 2) -- currently unused */ - /* (1ULL << 3) -- currently unused */ -#define XFS_MOUNT_FS_SHUTDOWN (1ULL << 4) /* atomic stop of all filesystem - operations, typically for - disk errors in metadata */ -#define XFS_MOUNT_RETERR (1ULL << 6) /* return alignment errors to - user */ -#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_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 */ -#define XFS_MOUNT_OSYNCISOSYNC (1ULL << 13) /* o_sync is REALLY o_sync */ - /* 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_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_DIRSYNC (1ULL << 21) /* synchronous directory ops */ -#define XFS_MOUNT_COMPAT_IOSIZE (1ULL << 22) /* don't report large preferred - * I/O size in stat() */ -#define XFS_MOUNT_NO_PERCPU_SB (1ULL << 23) /* don't use per-cpu superblock - counters */ - - -/* - * Default minimum read and write sizes. - */ -#define XFS_READIO_LOG_LARGE 16 -#define XFS_WRITEIO_LOG_LARGE 16 - -/* - * 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 - -/* - * Synchronous read and write sizes. This should be - * better for NFSv2 wsync filesystems. - */ -#define XFS_WSYNC_READIO_LOG 15 /* 32K */ -#define XFS_WSYNC_WRITEIO_LOG 14 /* 16K */ - -/* - * Allow large block sizes to be reported to userspace programs if the - * "largeio" mount option is used. - * - * If compatibility mode is specified, simply return the basic unit of caching - * so that we don't get inefficient read/modify/write I/O from user apps. - * Otherwise.... - * - * If the underlying volume is a stripe, then return the stripe width in bytes - * as the recommended I/O size. It is not a stripe and we've set a default - * buffered I/O size, return that, otherwise return the compat default. - */ -static inline unsigned long -xfs_preferred_iosize(xfs_mount_t *mp) -{ - if (mp->m_flags & XFS_MOUNT_COMPAT_IOSIZE) - return PAGE_CACHE_SIZE; - return (mp->m_swidth ? - (mp->m_swidth << mp->m_sb.sb_blocklog) : - ((mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) ? - (1 << (int)MAX(mp->m_readio_log, mp->m_writeio_log)) : - PAGE_CACHE_SIZE)); -} - -#define XFS_MAXIOFFSET(mp) ((mp)->m_maxioffset) - -#define XFS_FORCED_SHUTDOWN(mp) ((mp)->m_flags & XFS_MOUNT_FS_SHUTDOWN) -#define xfs_force_shutdown(m,f) \ - XVFS_FORCE_SHUTDOWN((XFS_MTOVFS(m)), f, __FILE__, __LINE__) - -/* - * Flags sent to xfs_force_shutdown. - */ -#define XFS_METADATA_IO_ERROR 0x1 -#define XFS_LOG_IO_ERROR 0x2 -#define XFS_FORCE_UMOUNT 0x4 -#define XFS_CORRUPT_INCORE 0x8 /* Corrupt in-memory data structures */ -#define XFS_SHUTDOWN_REMOTE_REQ 0x10 /* Shutdown came from remote cell */ - -/* - * Flags for xfs_mountfs - */ -#define XFS_MFSI_SECOND 0x01 /* Secondary mount -- skip stuff */ -#define XFS_MFSI_CLIENT 0x02 /* Is a client -- skip lots of stuff */ -/* XFS_MFSI_RRINODES */ -#define XFS_MFSI_NOUNLINK 0x08 /* Skip unlinked inode processing in */ - /* log recovery */ -#define XFS_MFSI_NO_QUOTACHECK 0x10 /* Skip quotacheck processing */ -/* 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 xfs_vfs_t *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(xfs_vfs_t *vfs) -{ - return XFS_BHVTOM(bhv_lookup(VFS_BHVHEAD(vfs), &xfs_vfsops)); -} - -#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) -{ - xfs_daddr_t ld = XFS_BB_TO_FSBT(mp, d); - do_div(ld, mp->m_sb.sb_agblocks); - return (xfs_agnumber_t) ld; -} - -#define XFS_DADDR_TO_AGBNO(mp,d) xfs_daddr_to_agbno(mp,d) -static inline xfs_agblock_t -xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d) -{ - xfs_daddr_t ld = XFS_BB_TO_FSBT(mp, d); - return (xfs_agblock_t) do_div(ld, mp->m_sb.sb_agblocks); -} - -/* - * This structure is for use by the xfs_mod_incore_sb_batch() routine. - */ -typedef struct xfs_mod_sb { - xfs_sb_field_t msb_field; /* Field to modify, see below */ - int msb_delta; /* Change to make to specified field */ -} xfs_mod_sb_t; - -/* FreeBSD specfic */ -#define XFS_MOUNT_ILOCK(mp) sx_xlock(&((mp)->m_ilock)) -#define XFS_MOUNT_IUNLOCK(mp) sx_xunlock(&((mp)->m_ilock)) - -#define XFS_SB_LOCK(mp) mutex_spinlock(&(mp)->m_sb_lock) -#define XFS_SB_UNLOCK(mp,s) mutex_spinunlock(&(mp)->m_sb_lock,(s)) - -extern xfs_mount_t *xfs_mount_init(void); -extern void xfs_mod_sb(xfs_trans_t *, __int64_t); -extern void xfs_mount_free(xfs_mount_t *mp, int remove_bhv); -extern int xfs_mountfs(struct xfs_vfs *, xfs_mount_t *mp, int); -extern void xfs_mountfs_check_barriers(xfs_mount_t *mp); - -extern int xfs_unmountfs(xfs_mount_t *, struct cred *); -extern void xfs_unmountfs_close(xfs_mount_t *, struct cred *); -extern int xfs_unmountfs_writesb(xfs_mount_t *); -extern int xfs_unmount_flush(xfs_mount_t *, int); -extern int xfs_mod_incore_sb(xfs_mount_t *, xfs_sb_field_t, int, int); -extern int xfs_mod_incore_sb_unlocked(xfs_mount_t *, xfs_sb_field_t, - int, int); -extern int xfs_mod_incore_sb_batch(xfs_mount_t *, xfs_mod_sb_t *, - uint, int); -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 void xfs_do_force_shutdown(bhv_desc_t *, int, char *, int); -extern int xfs_syncsub(xfs_mount_t *, int, int, int *); -extern int xfs_sync_inodes(xfs_mount_t *, int, int, int *); -extern xfs_agnumber_t xfs_initialize_perag(struct xfs_vfs *, xfs_mount_t *, - xfs_agnumber_t); -extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t); - -extern struct xfs_dmops xfs_dmcore_stub; -extern struct xfs_qmops xfs_qmcore_stub; -extern struct xfs_ioops xfs_iocore_xfs; - -extern int xfs_init(void); -extern void xfs_cleanup(void); - -#endif /* __KERNEL__ */ - -#endif /* __XFS_MOUNT_H__ */ |
