/*
- * 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__
-
typedef struct xfs_trans_reservations {
uint tr_write; /* extent alloc trans */
uint tr_itruncate; /* truncate trans */
uint tr_growrtfree; /* grow realtime freeing */
} xfs_trans_reservations_t;
-
#ifndef __KERNEL__
/*
* Moved here from xfs_ag.h to avoid reordering header files
struct xfs_bmbt_irec;
struct xfs_bmap_free;
+extern struct vfsops xfs_vfsops;
+extern struct 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)
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 *);
(*(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)
+#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) \
#define XFS_IODONE(vfsp) \
(*(mp)->m_io_ops.xfs_iodone)(vfsp)
+#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 */
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 */
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 */
sema_t 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 */
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 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)
+ /* (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_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 */
+ /* (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 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
+ /* (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 0x00100000 /* inode hash table size */
-#define XFS_MOUNT_DIRSYNC 0x00200000 /* synchronous directory ops */
-#define XFS_MOUNT_TAGXID 0x80000000 /* context xid tagging */
+#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 */
+
+#define XFS_MOUNT_TAGXID (1ULL << 31) /* context xid tagging */
/*
* 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_FORCED_SHUTDOWN(mp) ((mp)->m_flags & XFS_MOUNT_FS_SHUTDOWN)
#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
-
/*
* 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
+static inline struct 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);
+}
-/*
- * Moved here from xfs_ag.h to avoid reordering header files
- */
+#define XFS_VFSTOM(vfs) xfs_vfstom(vfs)
+static inline xfs_mount_t *xfs_vfstom(vfs_t *vfs)
+{
+ return XFS_BHVTOM(bhv_lookup(VFS_BHVHEAD(vfs), &xfs_vfsops));
+}
-#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_agnumber_t
+xfs_daddr_to_agno(struct xfs_mount *mp, xfs_daddr_t d)
{
- d = XFS_BB_TO_FSBT(mp, d);
- do_div(d, mp->m_sb.sb_agblocks);
- return (xfs_agnumber_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;
}
-#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 xfs_agblock_t XFS_DADDR_TO_AGBNO(xfs_mount_t *mp, xfs_daddr_t d)
+static inline xfs_agblock_t
+xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d)
{
- d = XFS_BB_TO_FSBT(mp, d);
- return (xfs_agblock_t) do_div(d, mp->m_sb.sb_agblocks);
+ xfs_daddr_t ld = XFS_BB_TO_FSBT(mp, d);
+ return (xfs_agblock_t) do_div(ld, mp->m_sb.sb_agblocks);
}
-#endif
-
/*
* This structure is for use by the xfs_mod_incore_sb_batch() routine.
*/
int 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 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 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_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 *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 xfs_agnumber_t xfs_initialize_perag(xfs_mount_t *, xfs_agnumber_t);
+extern int xfs_sync_inodes(xfs_mount_t *, int, int, int *);
+extern xfs_agnumber_t xfs_initialize_perag(struct vfs *, xfs_mount_t *,
+ xfs_agnumber_t);
extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t);
-extern struct vfsops xfs_vfsops;
-extern struct vnodeops xfs_vnodeops;
-
extern struct xfs_dmops xfs_dmcore_stub;
extern struct xfs_qmops xfs_qmcore_stub;
extern struct xfs_ioops xfs_iocore_xfs;
git://git.onelab.eu / linux-2.6.git / blobdiff