/*
- * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
+ * 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 version 2 of the GNU General Public License as
+ * 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.
+ * 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.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * 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__
uint tr_growrtfree; /* grow realtime freeing */
} xfs_trans_reservations_t;
-
#ifndef __KERNEL__
/*
* Moved here from xfs_ag.h to avoid reordering header files
#else
struct cred;
struct log;
-struct vfs;
-struct 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;
-
-#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)
-
+struct xfs_extdelta;
+struct xfs_swapext;
+struct xfs_mru_cache;
/*
* Prototypes and functions for the Data Migration subsystem.
*/
-typedef int (*xfs_send_data_t)(int, struct vnode *,
- xfs_off_t, size_t, int, vrwlock_t *);
+typedef int (*xfs_send_data_t)(int, struct xfs_inode *,
+ xfs_off_t, size_t, int, int *);
typedef int (*xfs_send_mmap_t)(struct vm_area_struct *, uint);
-typedef int (*xfs_send_destroy_t)(struct vnode *, dm_right_t);
-typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct vfs *,
- struct vnode *,
- dm_right_t, struct vnode *, dm_right_t,
+typedef int (*xfs_send_destroy_t)(struct xfs_inode *, dm_right_t);
+typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct xfs_mount *,
+ struct xfs_inode *, dm_right_t,
+ struct xfs_inode *, dm_right_t,
char *, char *, mode_t, int, int);
-typedef void (*xfs_send_unmount_t)(struct vfs *, struct vnode *,
+typedef int (*xfs_send_mount_t)(struct xfs_mount *, dm_right_t,
+ char *, char *);
+typedef void (*xfs_send_unmount_t)(struct xfs_mount *, struct xfs_inode *,
dm_right_t, mode_t, int, int);
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)
+#define XFS_SEND_DATA(mp, ev,ip,off,len,fl,lock) \
+ (*(mp)->m_dm_ops->xfs_send_data)(ev,ip,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)
+ (*(mp)->m_dm_ops->xfs_send_mmap)(vma,fl)
+#define XFS_SEND_DESTROY(mp, ip,right) \
+ (*(mp)->m_dm_ops->xfs_send_destroy)(ip,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, ip,right,mode,rval,fl) \
+ (*(mp)->m_dm_ops->xfs_send_unmount)(mp,ip,right,mode,rval,fl)
/*
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, uint,
+ 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 *);
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;
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)
-#define XFS_QM_DQVOPALLOC(mp, ip, uid, gid, fl, dq1, dq2) \
- (*(mp)->m_qm_ops.xfs_dqvopalloc)(mp, ip, uid, gid, fl, dq1, dq2)
+ (*(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)
+ (*(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)
+#ifdef HAVE_PERCPU_SB
/*
- * Prototypes and functions for I/O core modularization.
+ * 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;
-typedef int (*xfs_ioinit_t)(struct 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 *);
-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 vfs *);
-
-typedef struct xfs_ioops {
- xfs_ioinit_t xfs_ioinit;
- xfs_bmapi_t xfs_bmapi_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_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) \
- (*(mp)->m_io_ops.xfs_bmapi_func) \
- (trans,(io)->io_obj,bno,len,f,first,tot,mval,nmap,flist)
-#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_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_reinit_counters(struct xfs_mount *);
+extern void xfs_icsb_sync_counters_flags(struct xfs_mount *, int);
+
+#else
+#define xfs_icsb_init_counters(mp) (0)
+#define xfs_icsb_reinit_counters(mp) do { } while (0)
+#define xfs_icsb_sync_counters_flags(mp, flags) do { } while (0)
+#endif
+
+typedef struct xfs_ail {
+ struct list_head xa_ail;
+ uint xa_gen;
+ struct task_struct *xa_task;
+ xfs_lsn_t xa_target;
+} xfs_ail_t;
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 */
- uint m_ail_gen; /* fs AIL generation count */
+ spinlock_t m_ail_lock; /* fs AIL mutex */
+ xfs_ail_t m_ail; /* fs active log item list */
xfs_sb_t m_sb; /* copy of fs superblock */
- lock_t m_sb_lock; /* sb counter mutex */
+ spinlock_t m_sb_lock; /* sb counter lock */
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 */
+ spinlock_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 */
struct list_head m_del_inodes; /* inodes to reclaim */
mutex_t m_ilock; /* inode list mutex */
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 */
-#define m_dev m_ddev_targp->pbr_dev
__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_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 */
- uint m_flags; /* global mount flags */
+ __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 */
#endif
int m_dalign; /* stripe unit */
int m_swidth; /* stripe width */
- int m_sinoalign; /* stripe unit inode alignmnt */
+ 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 */
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 */
+ struct xfs_dmops *m_dm_ops; /* vector of DMI ops */
+ struct xfs_qmops *m_qm_ops; /* vector of XQM 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 */
+ 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;
/*
* Flags for m_flags.
*/
-#define XFS_MOUNT_WSYNC 0x00000001 /* for nfs - all metadata ops
+#define XFS_MOUNT_WSYNC (1ULL << 0) /* for nfs - all metadata ops
must be synchronous except
for space allocations */
-#define XFS_MOUNT_INO64 0x00000002
- /* 0x00000004 -- currently unused */
- /* 0x00000008 -- currently unused */
-#define XFS_MOUNT_FS_SHUTDOWN 0x00000010 /* atomic stop of all filesystem
+#define XFS_MOUNT_INO64 (1ULL << 1)
+#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
disk errors in metadata */
-#define XFS_MOUNT_NOATIME 0x00000020 /* don't modify inode access
- times on reads */
-#define XFS_MOUNT_RETERR 0x00000040 /* return alignment errors to
+#define XFS_MOUNT_RETERR (1ULL << 6) /* return alignment errors to
user */
-#define XFS_MOUNT_NOALIGN 0x00000080 /* turn off stripe alignment
+#define XFS_MOUNT_NOALIGN (1ULL << 7) /* turn off stripe alignment
allocations */
- /* 0x00000100 -- currently unused */
- /* 0x00000200 -- currently unused */
-#define XFS_MOUNT_NORECOVERY 0x00000400 /* no recovery - dirty fs */
-#define XFS_MOUNT_SHARED 0x00000800 /* shared mount */
-#define XFS_MOUNT_DFLT_IOSIZE 0x00001000 /* set default i/o size */
-#define XFS_MOUNT_OSYNCISOSYNC 0x00002000 /* o_sync is REALLY o_sync */
+#define XFS_MOUNT_ATTR2 (1ULL << 8) /* allow use of attr2 format */
+#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 */
+#define XFS_MOUNT_OSYNCISOSYNC (1ULL << 13) /* o_sync is REALLY o_sync */
/* osyncisdsync is now default*/
-#define XFS_MOUNT_32BITINODES 0x00004000 /* do not create inodes above
+#define XFS_MOUNT_32BITINODES (1ULL << 14) /* do not create inodes above
* 32 bits in size */
-#define XFS_MOUNT_32BITINOOPT 0x00008000 /* saved mount option state */
-#define XFS_MOUNT_NOUUID 0x00010000 /* ignore uuid during mount */
-#define XFS_MOUNT_NOLOGFLUSH 0x00020000
-#define XFS_MOUNT_IDELETE 0x00040000 /* delete empty inode clusters*/
-#define XFS_MOUNT_SWALLOC 0x00080000 /* turn on stripe width
+#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_IKEEP (1ULL << 18) /* keep empty inode clusters*/
+#define XFS_MOUNT_SWALLOC (1ULL << 19) /* turn on stripe width
* allocation */
-#define XFS_MOUNT_IHASHSIZE 0x00100000 /* inode hash table size */
-#define XFS_MOUNT_DIRSYNC 0x00200000 /* synchronous directory ops */
+#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() */
+#define XFS_MOUNT_NO_PERCPU_SB (1ULL << 23) /* don't use per-cpu superblock
+ counters */
+#define XFS_MOUNT_FILESTREAMS (1ULL << 24) /* enable the filestreams
+ allocator */
+
/*
* Default minimum read and write sizes.
#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_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) \
- VFS_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 */
-
-/*
- * xflags for xfs_syncsub
- */
-#define XFS_XSYNC_RELOC 0x01
+ xfs_do_force_shutdown(m, f, __FILE__, __LINE__)
/*
* 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.
- */
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MTOVFS)
-struct vfs *xfs_mtovfs(xfs_mount_t *mp);
-#define XFS_MTOVFS(mp) xfs_mtovfs(mp)
-#else
-#define XFS_MTOVFS(mp) (bhvtovfs(&(mp)->m_bhv))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BHVTOM)
-xfs_mount_t *xfs_bhvtom(bhv_desc_t *bdp);
-#define XFS_BHVTOM(bdp) xfs_bhvtom(bdp)
-#else
-#define XFS_BHVTOM(bdp) ((xfs_mount_t *)BHV_PDATA(bdp))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_VFSTOM)
-xfs_mount_t *xfs_vfstom(vfs_t *vfs);
-#define XFS_VFSTOM(vfs) xfs_vfstom(vfs)
-#else
-#define XFS_VFSTOM(vfs) \
- (XFS_BHVTOM(bhv_lookup(VFS_BHVHEAD(vfs), &xfs_vfsops)))
-#endif
+#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);
+}
/*
- * Moved here from xfs_ag.h to avoid reordering header files
+ * perag get/put wrappers for eventual ref counting
*/
-
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DADDR_TO_AGNO)
-xfs_agnumber_t xfs_daddr_to_agno(struct xfs_mount *mp, xfs_daddr_t d);
-#define XFS_DADDR_TO_AGNO(mp,d) xfs_daddr_to_agno(mp,d)
-#else
-
-static inline xfs_agnumber_t XFS_DADDR_TO_AGNO(xfs_mount_t *mp, xfs_daddr_t d)
+static inline xfs_perag_t *
+xfs_get_perag(struct xfs_mount *mp, xfs_ino_t ino)
{
- d = XFS_BB_TO_FSBT(mp, d);
- do_div(d, mp->m_sb.sb_agblocks);
- return (xfs_agnumber_t) d;
+ return &mp->m_perag[XFS_INO_TO_AGNO(mp, ino)];
}
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DADDR_TO_AGBNO)
-xfs_agblock_t xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d);
-#define XFS_DADDR_TO_AGBNO(mp,d) xfs_daddr_to_agbno(mp,d)
-#else
+static inline void
+xfs_put_perag(struct xfs_mount *mp, xfs_perag_t *pag)
+{
+ /* nothing to see here, move along */
+}
-static inline xfs_agblock_t XFS_DADDR_TO_AGBNO(xfs_mount_t *mp, xfs_daddr_t d)
+/*
+ * Per-cpu superblock locking functions
+ */
+#ifdef HAVE_PERCPU_SB
+STATIC_INLINE void
+xfs_icsb_lock(xfs_mount_t *mp)
{
- d = XFS_BB_TO_FSBT(mp, d);
- return (xfs_agblock_t) do_div(d, mp->m_sb.sb_agblocks);
+ mutex_lock(&mp->m_icsb_mutex);
}
+STATIC_INLINE void
+xfs_icsb_unlock(xfs_mount_t *mp)
+{
+ mutex_unlock(&mp->m_icsb_mutex);
+}
+#else
+#define xfs_icsb_lock(mp)
+#define xfs_icsb_unlock(mp)
#endif
/*
* This structure is for use by the xfs_mod_incore_sb_batch() routine.
+ * xfs_growfs can specify a few fields which are more than int limit
*/
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 */
+ int64_t msb_delta; /* Change to make to specified field */
} xfs_mod_sb_t;
-#define XFS_MOUNT_ILOCK(mp) mutex_lock(&((mp)->m_ilock), PINOD)
+#define XFS_MOUNT_ILOCK(mp) mutex_lock(&((mp)->m_ilock))
#define XFS_MOUNT_IUNLOCK(mp) mutex_unlock(&((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 vfs *, xfs_mount_t *mp, int);
+extern int xfs_log_sbcount(xfs_mount_t *, uint);
+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 *);
-extern void xfs_unmountfs_wait(xfs_mount_t *);
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(xfs_mount_t *, xfs_sb_field_t, int64_t, int);
+extern int xfs_mod_incore_sb_unlocked(xfs_mount_t *, xfs_sb_field_t,
+ int64_t, 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 *mp);
+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_fs_writable(xfs_mount_t *);
+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(xfs_mount_t *, xfs_agnumber_t);
-extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_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 vfsops xfs_vfsops;
-extern struct vnodeops xfs_vnodeops;
+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_stub;
-extern struct xfs_qmops xfs_qmcore_stub;
-extern struct xfs_ioops xfs_iocore_xfs;
+extern struct xfs_dmops xfs_dmcore_xfs;
extern int xfs_init(void);
extern void xfs_cleanup(void);