/*
- * 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/
- *
- * Portions Copyright (c) 1989, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * 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_VNODE_H__
#define __XFS_VNODE_H__
-struct uio;
+#include "xfs_fs.h"
+
struct file;
-struct vattr;
+struct xfs_inode;
struct xfs_iomap;
struct attrlist_cursor_kern;
-
-typedef xfs_ino_t vnumber_t;
-typedef struct dentry vname_t;
-typedef bhv_head_t vn_bhv_head_t;
-
-/*
- * MP locking protocols:
- * v_flag, v_vfsp VN_LOCK/VN_UNLOCK
- */
-typedef struct vnode {
- __u32 v_flag; /* vnode flags (see below) */
- struct vfs *v_vfsp; /* ptr to containing VFS */
- vnumber_t v_number; /* in-core vnode number */
- vn_bhv_head_t v_bh; /* behavior head */
- spinlock_t v_lock; /* VN_LOCK/VN_UNLOCK */
-#ifdef XFS_VNODE_TRACE
- struct ktrace *v_trace; /* trace header structure */
-#endif
- struct inode v_inode; /* Linux inode */
- /* inode MUST be last */
-} vnode_t;
-
-#define VN_ISLNK(vp) S_ISLNK((vp)->v_inode.i_mode)
-#define VN_ISREG(vp) S_ISREG((vp)->v_inode.i_mode)
-#define VN_ISDIR(vp) S_ISDIR((vp)->v_inode.i_mode)
-#define VN_ISCHR(vp) S_ISCHR((vp)->v_inode.i_mode)
-#define VN_ISBLK(vp) S_ISBLK((vp)->v_inode.i_mode)
-
-#define v_fbhv v_bh.bh_first /* first behavior */
-#define v_fops v_bh.bh_first->bd_ops /* first behavior ops */
-
-#define VNODE_POSITION_BASE BHV_POSITION_BASE /* chain bottom */
-#define VNODE_POSITION_TOP BHV_POSITION_TOP /* chain top */
-#define VNODE_POSITION_INVALID BHV_POSITION_INVALID /* invalid pos. num */
-
-typedef enum {
- VN_BHV_UNKNOWN, /* not specified */
- VN_BHV_XFS, /* xfs */
- VN_BHV_DM, /* data migration */
- VN_BHV_QM, /* quota manager */
- VN_BHV_IO, /* IO path */
- VN_BHV_END /* housekeeping end-of-range */
-} vn_bhv_t;
-
-#define VNODE_POSITION_XFS (VNODE_POSITION_BASE)
-#define VNODE_POSITION_DM (VNODE_POSITION_BASE+10)
-#define VNODE_POSITION_QM (VNODE_POSITION_BASE+20)
-#define VNODE_POSITION_IO (VNODE_POSITION_BASE+30)
-
-/*
- * Macros for dealing with the behavior descriptor inside of the vnode.
- */
-#define BHV_TO_VNODE(bdp) ((vnode_t *)BHV_VOBJ(bdp))
-#define BHV_TO_VNODE_NULL(bdp) ((vnode_t *)BHV_VOBJNULL(bdp))
-
-#define VN_BHV_HEAD(vp) ((bhv_head_t *)(&((vp)->v_bh)))
-#define vn_bhv_head_init(bhp,name) bhv_head_init(bhp,name)
-#define vn_bhv_remove(bhp,bdp) bhv_remove(bhp,bdp)
-#define vn_bhv_lookup(bhp,ops) bhv_lookup(bhp,ops)
-#define vn_bhv_lookup_unlocked(bhp,ops) bhv_lookup_unlocked(bhp,ops)
-
-/*
- * Vnode to Linux inode mapping.
- */
-#define LINVFS_GET_VP(inode) ((vnode_t *)list_entry(inode, vnode_t, v_inode))
-#define LINVFS_GET_IP(vp) (&(vp)->v_inode)
-
-/*
- * Vnode flags.
- */
-#define VMODIFIED 0x8 /* XFS inode state possibly differs */
- /* to the Linux inode state. */
-
/*
- * Values for the VOP_RWLOCK and VOP_RWUNLOCK flags parameter.
- */
-typedef enum vrwlock {
- VRWLOCK_NONE,
- VRWLOCK_READ,
- VRWLOCK_WRITE,
- VRWLOCK_WRITE_DIRECT,
- VRWLOCK_TRY_READ,
- VRWLOCK_TRY_WRITE
-} vrwlock_t;
-
-/*
- * Return values for VOP_INACTIVE. A return value of
+ * Return values for xfs_inactive. A return value of
* VN_INACTIVE_NOCACHE implies that the file system behavior
* has disassociated its state and bhv_desc_t from the vnode.
*/
#define VN_INACTIVE_NOCACHE 1
/*
- * Values for the cmd code given to VOP_VNODE_CHANGE.
- */
-typedef enum vchange {
- VCHANGE_FLAGS_FRLOCKS = 0,
- VCHANGE_FLAGS_ENF_LOCKING = 1,
- VCHANGE_FLAGS_TRUNCATED = 2,
- VCHANGE_FLAGS_PAGE_DIRTY = 3,
- VCHANGE_FLAGS_IOEXCL_COUNT = 4
-} vchange_t;
-
-
-typedef int (*vop_open_t)(bhv_desc_t *, struct cred *);
-typedef ssize_t (*vop_read_t)(bhv_desc_t *, struct kiocb *,
- const struct iovec *, unsigned int,
- loff_t *, int, struct cred *);
-typedef ssize_t (*vop_write_t)(bhv_desc_t *, struct kiocb *,
- const struct iovec *, unsigned int,
- loff_t *, int, struct cred *);
-typedef ssize_t (*vop_sendfile_t)(bhv_desc_t *, struct file *,
- loff_t *, int, size_t, read_actor_t,
- void *, struct cred *);
-typedef int (*vop_ioctl_t)(bhv_desc_t *, struct inode *, struct file *,
- int, unsigned int, void __user *);
-typedef int (*vop_getattr_t)(bhv_desc_t *, struct vattr *, int,
- struct cred *);
-typedef int (*vop_setattr_t)(bhv_desc_t *, struct vattr *, int,
- struct cred *);
-typedef int (*vop_access_t)(bhv_desc_t *, int, struct cred *);
-typedef int (*vop_lookup_t)(bhv_desc_t *, vname_t *, vnode_t **,
- int, vnode_t *, struct cred *);
-typedef int (*vop_create_t)(bhv_desc_t *, vname_t *, struct vattr *,
- vnode_t **, struct cred *);
-typedef int (*vop_remove_t)(bhv_desc_t *, vname_t *, struct cred *);
-typedef int (*vop_link_t)(bhv_desc_t *, vnode_t *, vname_t *,
- struct cred *);
-typedef int (*vop_rename_t)(bhv_desc_t *, vname_t *, vnode_t *, vname_t *,
- struct cred *);
-typedef int (*vop_mkdir_t)(bhv_desc_t *, vname_t *, struct vattr *,
- vnode_t **, struct cred *);
-typedef int (*vop_rmdir_t)(bhv_desc_t *, vname_t *, struct cred *);
-typedef int (*vop_readdir_t)(bhv_desc_t *, struct uio *, struct cred *,
- int *);
-typedef int (*vop_symlink_t)(bhv_desc_t *, vname_t *, struct vattr *,
- char *, vnode_t **, struct cred *);
-typedef int (*vop_readlink_t)(bhv_desc_t *, struct uio *, int,
- struct cred *);
-typedef int (*vop_fsync_t)(bhv_desc_t *, int, struct cred *,
- xfs_off_t, xfs_off_t);
-typedef int (*vop_inactive_t)(bhv_desc_t *, struct cred *);
-typedef int (*vop_fid2_t)(bhv_desc_t *, struct fid *);
-typedef int (*vop_release_t)(bhv_desc_t *);
-typedef int (*vop_rwlock_t)(bhv_desc_t *, vrwlock_t);
-typedef void (*vop_rwunlock_t)(bhv_desc_t *, vrwlock_t);
-typedef int (*vop_bmap_t)(bhv_desc_t *, xfs_off_t, ssize_t, int,
- struct xfs_iomap *, int *);
-typedef int (*vop_reclaim_t)(bhv_desc_t *);
-typedef int (*vop_attr_get_t)(bhv_desc_t *, char *, char *, int *, int,
- struct cred *);
-typedef int (*vop_attr_set_t)(bhv_desc_t *, char *, char *, int, int,
- struct cred *);
-typedef int (*vop_attr_remove_t)(bhv_desc_t *, char *, int, struct cred *);
-typedef int (*vop_attr_list_t)(bhv_desc_t *, char *, int, int,
- struct attrlist_cursor_kern *, struct cred *);
-typedef void (*vop_link_removed_t)(bhv_desc_t *, vnode_t *, int);
-typedef void (*vop_vnode_change_t)(bhv_desc_t *, vchange_t, __psint_t);
-typedef void (*vop_ptossvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int);
-typedef void (*vop_pflushinvalvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int);
-typedef int (*vop_pflushvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t,
- uint64_t, int);
-typedef int (*vop_iflush_t)(bhv_desc_t *, int);
-
-
-typedef struct vnodeops {
- bhv_position_t vn_position; /* position within behavior chain */
- vop_open_t vop_open;
- vop_read_t vop_read;
- vop_write_t vop_write;
- vop_sendfile_t vop_sendfile;
- vop_ioctl_t vop_ioctl;
- vop_getattr_t vop_getattr;
- vop_setattr_t vop_setattr;
- vop_access_t vop_access;
- vop_lookup_t vop_lookup;
- vop_create_t vop_create;
- vop_remove_t vop_remove;
- vop_link_t vop_link;
- vop_rename_t vop_rename;
- vop_mkdir_t vop_mkdir;
- vop_rmdir_t vop_rmdir;
- vop_readdir_t vop_readdir;
- vop_symlink_t vop_symlink;
- vop_readlink_t vop_readlink;
- vop_fsync_t vop_fsync;
- vop_inactive_t vop_inactive;
- vop_fid2_t vop_fid2;
- vop_rwlock_t vop_rwlock;
- vop_rwunlock_t vop_rwunlock;
- vop_bmap_t vop_bmap;
- vop_reclaim_t vop_reclaim;
- vop_attr_get_t vop_attr_get;
- vop_attr_set_t vop_attr_set;
- vop_attr_remove_t vop_attr_remove;
- vop_attr_list_t vop_attr_list;
- vop_link_removed_t vop_link_removed;
- vop_vnode_change_t vop_vnode_change;
- vop_ptossvp_t vop_tosspages;
- vop_pflushinvalvp_t vop_flushinval_pages;
- vop_pflushvp_t vop_flush_pages;
- vop_release_t vop_release;
- vop_iflush_t vop_iflush;
-} vnodeops_t;
-
-/*
- * VOP's.
- */
-#define _VOP_(op, vp) (*((vnodeops_t *)(vp)->v_fops)->op)
-
-#define VOP_READ(vp,file,iov,segs,offset,ioflags,cr,rv) \
- rv = _VOP_(vop_read, vp)((vp)->v_fbhv,file,iov,segs,offset,ioflags,cr)
-#define VOP_WRITE(vp,file,iov,segs,offset,ioflags,cr,rv) \
- rv = _VOP_(vop_write, vp)((vp)->v_fbhv,file,iov,segs,offset,ioflags,cr)
-#define VOP_SENDFILE(vp,f,off,ioflags,cnt,act,targ,cr,rv) \
- rv = _VOP_(vop_sendfile, vp)((vp)->v_fbhv,f,off,ioflags,cnt,act,targ,cr)
-#define VOP_BMAP(vp,of,sz,rw,b,n,rv) \
- rv = _VOP_(vop_bmap, vp)((vp)->v_fbhv,of,sz,rw,b,n)
-#define VOP_OPEN(vp, cr, rv) \
- rv = _VOP_(vop_open, vp)((vp)->v_fbhv, cr)
-#define VOP_GETATTR(vp, vap, f, cr, rv) \
- rv = _VOP_(vop_getattr, vp)((vp)->v_fbhv, vap, f, cr)
-#define VOP_SETATTR(vp, vap, f, cr, rv) \
- rv = _VOP_(vop_setattr, vp)((vp)->v_fbhv, vap, f, cr)
-#define VOP_ACCESS(vp, mode, cr, rv) \
- rv = _VOP_(vop_access, vp)((vp)->v_fbhv, mode, cr)
-#define VOP_LOOKUP(vp,d,vpp,f,rdir,cr,rv) \
- rv = _VOP_(vop_lookup, vp)((vp)->v_fbhv,d,vpp,f,rdir,cr)
-#define VOP_CREATE(dvp,d,vap,vpp,cr,rv) \
- rv = _VOP_(vop_create, dvp)((dvp)->v_fbhv,d,vap,vpp,cr)
-#define VOP_REMOVE(dvp,d,cr,rv) \
- rv = _VOP_(vop_remove, dvp)((dvp)->v_fbhv,d,cr)
-#define VOP_LINK(tdvp,fvp,d,cr,rv) \
- rv = _VOP_(vop_link, tdvp)((tdvp)->v_fbhv,fvp,d,cr)
-#define VOP_RENAME(fvp,fnm,tdvp,tnm,cr,rv) \
- rv = _VOP_(vop_rename, fvp)((fvp)->v_fbhv,fnm,tdvp,tnm,cr)
-#define VOP_MKDIR(dp,d,vap,vpp,cr,rv) \
- rv = _VOP_(vop_mkdir, dp)((dp)->v_fbhv,d,vap,vpp,cr)
-#define VOP_RMDIR(dp,d,cr,rv) \
- rv = _VOP_(vop_rmdir, dp)((dp)->v_fbhv,d,cr)
-#define VOP_READDIR(vp,uiop,cr,eofp,rv) \
- rv = _VOP_(vop_readdir, vp)((vp)->v_fbhv,uiop,cr,eofp)
-#define VOP_SYMLINK(dvp,d,vap,tnm,vpp,cr,rv) \
- rv = _VOP_(vop_symlink, dvp) ((dvp)->v_fbhv,d,vap,tnm,vpp,cr)
-#define VOP_READLINK(vp,uiop,fl,cr,rv) \
- rv = _VOP_(vop_readlink, vp)((vp)->v_fbhv,uiop,fl,cr)
-#define VOP_FSYNC(vp,f,cr,b,e,rv) \
- rv = _VOP_(vop_fsync, vp)((vp)->v_fbhv,f,cr,b,e)
-#define VOP_INACTIVE(vp, cr, rv) \
- rv = _VOP_(vop_inactive, vp)((vp)->v_fbhv, cr)
-#define VOP_RELEASE(vp, rv) \
- rv = _VOP_(vop_release, vp)((vp)->v_fbhv)
-#define VOP_FID2(vp, fidp, rv) \
- rv = _VOP_(vop_fid2, vp)((vp)->v_fbhv, fidp)
-#define VOP_RWLOCK(vp,i) \
- (void)_VOP_(vop_rwlock, vp)((vp)->v_fbhv, i)
-#define VOP_RWLOCK_TRY(vp,i) \
- _VOP_(vop_rwlock, vp)((vp)->v_fbhv, i)
-#define VOP_RWUNLOCK(vp,i) \
- (void)_VOP_(vop_rwunlock, vp)((vp)->v_fbhv, i)
-#define VOP_FRLOCK(vp,c,fl,flags,offset,fr,rv) \
- rv = _VOP_(vop_frlock, vp)((vp)->v_fbhv,c,fl,flags,offset,fr)
-#define VOP_RECLAIM(vp, rv) \
- rv = _VOP_(vop_reclaim, vp)((vp)->v_fbhv)
-#define VOP_ATTR_GET(vp, name, val, vallenp, fl, cred, rv) \
- rv = _VOP_(vop_attr_get, vp)((vp)->v_fbhv,name,val,vallenp,fl,cred)
-#define VOP_ATTR_SET(vp, name, val, vallen, fl, cred, rv) \
- rv = _VOP_(vop_attr_set, vp)((vp)->v_fbhv,name,val,vallen,fl,cred)
-#define VOP_ATTR_REMOVE(vp, name, flags, cred, rv) \
- rv = _VOP_(vop_attr_remove, vp)((vp)->v_fbhv,name,flags,cred)
-#define VOP_ATTR_LIST(vp, buf, buflen, fl, cursor, cred, rv) \
- rv = _VOP_(vop_attr_list, vp)((vp)->v_fbhv,buf,buflen,fl,cursor,cred)
-#define VOP_LINK_REMOVED(vp, dvp, linkzero) \
- (void)_VOP_(vop_link_removed, vp)((vp)->v_fbhv, dvp, linkzero)
-#define VOP_VNODE_CHANGE(vp, cmd, val) \
- (void)_VOP_(vop_vnode_change, vp)((vp)->v_fbhv,cmd,val)
-/*
- * These are page cache functions that now go thru VOPs.
- * 'last' parameter is unused and left in for IRIX compatibility
- */
-#define VOP_TOSS_PAGES(vp, first, last, fiopt) \
- _VOP_(vop_tosspages, vp)((vp)->v_fbhv,first, last, fiopt)
-/*
- * 'last' parameter is unused and left in for IRIX compatibility
- */
-#define VOP_FLUSHINVAL_PAGES(vp, first, last, fiopt) \
- _VOP_(vop_flushinval_pages, vp)((vp)->v_fbhv,first,last,fiopt)
-/*
- * 'last' parameter is unused and left in for IRIX compatibility
- */
-#define VOP_FLUSH_PAGES(vp, first, last, flags, fiopt, rv) \
- rv = _VOP_(vop_flush_pages, vp)((vp)->v_fbhv,first,last,flags,fiopt)
-#define VOP_IOCTL(vp, inode, filp, fl, cmd, arg, rv) \
- rv = _VOP_(vop_ioctl, vp)((vp)->v_fbhv,inode,filp,fl,cmd,arg)
-#define VOP_IFLUSH(vp, flags, rv) \
- rv = _VOP_(vop_iflush, vp)((vp)->v_fbhv, flags)
-
-/*
* Flags for read/write calls - same values as IRIX
*/
#define IO_ISAIO 0x00001 /* don't wait for completion */
#define IO_INVIS 0x00020 /* don't update inode timestamps */
/*
- * Flags for VOP_IFLUSH call
- */
-#define FLUSH_SYNC 1 /* wait for flush to complete */
-#define FLUSH_INODE 2 /* flush the inode itself */
-#define FLUSH_LOG 4 /* force the last log entry for
- * this inode out to disk */
-
-/*
- * Flush/Invalidate options for VOP_TOSS_PAGES, VOP_FLUSHINVAL_PAGES and
- * VOP_FLUSH_PAGES.
+ * Flush/Invalidate options for vop_toss/flush/flushinval_pages.
*/
#define FI_NONE 0 /* none */
#define FI_REMAPF 1 /* Do a remapf prior to the operation */
the operation completes. */
/*
- * Vnode attributes. va_mask indicates those attributes the caller
- * wants to set or extract.
- */
-typedef struct vattr {
- int va_mask; /* bit-mask of attributes present */
- mode_t va_mode; /* file access mode and type */
- xfs_nlink_t va_nlink; /* number of references to file */
- uid_t va_uid; /* owner user id */
- gid_t va_gid; /* owner group id */
- xfs_ino_t va_nodeid; /* file id */
- xfs_off_t va_size; /* file size in bytes */
- u_long va_blocksize; /* blocksize preferred for i/o */
- struct timespec va_atime; /* time of last access */
- struct timespec va_mtime; /* time of last modification */
- struct timespec va_ctime; /* time file changed */
- u_int va_gen; /* generation number of file */
- xfs_dev_t va_rdev; /* device the special file represents */
- __int64_t va_nblocks; /* number of blocks allocated */
- u_long va_xflags; /* random extended file flags */
- u_long va_extsize; /* file extent size */
- u_long va_nextents; /* number of extents in file */
- u_long va_anextents; /* number of attr extents in file */
- prid_t va_projid; /* project id */
-} vattr_t;
-
-/*
- * setattr or getattr attributes
- */
-#define XFS_AT_TYPE 0x00000001
-#define XFS_AT_MODE 0x00000002
-#define XFS_AT_UID 0x00000004
-#define XFS_AT_GID 0x00000008
-#define XFS_AT_FSID 0x00000010
-#define XFS_AT_NODEID 0x00000020
-#define XFS_AT_NLINK 0x00000040
-#define XFS_AT_SIZE 0x00000080
-#define XFS_AT_ATIME 0x00000100
-#define XFS_AT_MTIME 0x00000200
-#define XFS_AT_CTIME 0x00000400
-#define XFS_AT_RDEV 0x00000800
-#define XFS_AT_BLKSIZE 0x00001000
-#define XFS_AT_NBLOCKS 0x00002000
-#define XFS_AT_VCODE 0x00004000
-#define XFS_AT_MAC 0x00008000
-#define XFS_AT_UPDATIME 0x00010000
-#define XFS_AT_UPDMTIME 0x00020000
-#define XFS_AT_UPDCTIME 0x00040000
-#define XFS_AT_ACL 0x00080000
-#define XFS_AT_CAP 0x00100000
-#define XFS_AT_INF 0x00200000
-#define XFS_AT_XFLAGS 0x00400000
-#define XFS_AT_EXTSIZE 0x00800000
-#define XFS_AT_NEXTENTS 0x01000000
-#define XFS_AT_ANEXTENTS 0x02000000
-#define XFS_AT_PROJID 0x04000000
-#define XFS_AT_SIZE_NOPERM 0x08000000
-#define XFS_AT_GENCOUNT 0x10000000
-
-#define XFS_AT_ALL (XFS_AT_TYPE|XFS_AT_MODE|XFS_AT_UID|XFS_AT_GID|\
- XFS_AT_FSID|XFS_AT_NODEID|XFS_AT_NLINK|XFS_AT_SIZE|\
- XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME|XFS_AT_RDEV|\
- XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_VCODE|XFS_AT_MAC|\
- XFS_AT_ACL|XFS_AT_CAP|XFS_AT_INF|XFS_AT_XFLAGS|XFS_AT_EXTSIZE|\
- XFS_AT_NEXTENTS|XFS_AT_ANEXTENTS|XFS_AT_PROJID|XFS_AT_GENCOUNT)
-
-#define XFS_AT_STAT (XFS_AT_TYPE|XFS_AT_MODE|XFS_AT_UID|XFS_AT_GID|\
- XFS_AT_FSID|XFS_AT_NODEID|XFS_AT_NLINK|XFS_AT_SIZE|\
- XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME|XFS_AT_RDEV|\
- XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_PROJID)
-
-#define XFS_AT_TIMES (XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME)
-
-#define XFS_AT_UPDTIMES (XFS_AT_UPDATIME|XFS_AT_UPDMTIME|XFS_AT_UPDCTIME)
-
-#define XFS_AT_NOSET (XFS_AT_NLINK|XFS_AT_RDEV|XFS_AT_FSID|XFS_AT_NODEID|\
- XFS_AT_TYPE|XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_VCODE|\
- XFS_AT_NEXTENTS|XFS_AT_ANEXTENTS|XFS_AT_GENCOUNT)
-
-/*
- * Modes.
- */
-#define VSUID S_ISUID /* set user id on execution */
-#define VSGID S_ISGID /* set group id on execution */
-#define VSVTX S_ISVTX /* save swapped text even after use */
-#define VREAD S_IRUSR /* read, write, execute permissions */
-#define VWRITE S_IWUSR
-#define VEXEC S_IXUSR
-
-#define MODEMASK S_IALLUGO /* mode bits plus permission bits */
-
-/*
- * Check whether mandatory file locking is enabled.
- */
-#define MANDLOCK(vp, mode) \
- (VN_ISREG(vp) && ((mode) & (VSGID|(VEXEC>>3))) == VSGID)
-
-extern void vn_init(void);
-extern vnode_t *vn_initialize(struct inode *);
-
-/*
- * vnode_map structures _must_ match vn_epoch and vnode structure sizes.
- */
-typedef struct vnode_map {
- vfs_t *v_vfsp;
- vnumber_t v_number; /* in-core vnode number */
- xfs_ino_t v_ino; /* inode # */
-} vmap_t;
-
-#define VMAP(vp, vmap) {(vmap).v_vfsp = (vp)->v_vfsp, \
- (vmap).v_number = (vp)->v_number, \
- (vmap).v_ino = (vp)->v_inode.i_ino; }
-
-extern void vn_purge(struct vnode *, vmap_t *);
-extern int vn_revalidate(struct vnode *);
-extern void vn_revalidate_core(struct vnode *, vattr_t *);
-extern void vn_remove(struct vnode *);
-
-static inline int vn_count(struct vnode *vp)
-{
- return atomic_read(&LINVFS_GET_IP(vp)->i_count);
-}
-
-/*
- * Vnode reference counting functions (and macros for compatibility).
- */
-extern vnode_t *vn_hold(struct vnode *);
-extern void vn_rele(struct vnode *);
-
-#if defined(XFS_VNODE_TRACE)
-#define VN_HOLD(vp) \
- ((void)vn_hold(vp), \
- vn_trace_hold(vp, __FILE__, __LINE__, (inst_t *)__return_address))
-#define VN_RELE(vp) \
- (vn_trace_rele(vp, __FILE__, __LINE__, (inst_t *)__return_address), \
- iput(LINVFS_GET_IP(vp)))
-#else
-#define VN_HOLD(vp) ((void)vn_hold(vp))
-#define VN_RELE(vp) (iput(LINVFS_GET_IP(vp)))
-#endif
-
-static inline struct vnode *vn_grab(struct vnode *vp)
-{
- struct inode *inode = igrab(LINVFS_GET_IP(vp));
- return inode ? LINVFS_GET_VP(inode) : NULL;
-}
-
-/*
- * Vname handling macros.
- */
-#define VNAME(dentry) ((char *) (dentry)->d_name.name)
-#define VNAMELEN(dentry) ((dentry)->d_name.len)
-#define VNAME_TO_VNODE(dentry) (LINVFS_GET_VP((dentry)->d_inode))
-
-/*
- * Vnode spinlock manipulation.
- */
-#define VN_LOCK(vp) mutex_spinlock(&(vp)->v_lock)
-#define VN_UNLOCK(vp, s) mutex_spinunlock(&(vp)->v_lock, s)
-#define VN_FLAGSET(vp,b) vn_flagset(vp,b)
-#define VN_FLAGCLR(vp,b) vn_flagclr(vp,b)
-
-static __inline__ void vn_flagset(struct vnode *vp, uint flag)
-{
- spin_lock(&vp->v_lock);
- vp->v_flag |= flag;
- spin_unlock(&vp->v_lock);
-}
-
-static __inline__ void vn_flagclr(struct vnode *vp, uint flag)
-{
- spin_lock(&vp->v_lock);
- vp->v_flag &= ~flag;
- spin_unlock(&vp->v_lock);
-}
-
-/*
- * Update modify/access/change times on the vnode
- */
-#define VN_MTIMESET(vp, tvp) (LINVFS_GET_IP(vp)->i_mtime = *(tvp))
-#define VN_ATIMESET(vp, tvp) (LINVFS_GET_IP(vp)->i_atime = *(tvp))
-#define VN_CTIMESET(vp, tvp) (LINVFS_GET_IP(vp)->i_ctime = *(tvp))
-
-/*
- * Dealing with bad inodes
- */
-static inline void vn_mark_bad(struct vnode *vp)
-{
- make_bad_inode(LINVFS_GET_IP(vp));
-}
-
-static inline int VN_BAD(struct vnode *vp)
-{
- return is_bad_inode(LINVFS_GET_IP(vp));
-}
-
-/*
* Some useful predicates.
*/
-#define VN_MAPPED(vp) mapping_mapped(LINVFS_GET_IP(vp)->i_mapping)
-#define VN_CACHED(vp) (LINVFS_GET_IP(vp)->i_mapping->nrpages)
-#define VN_DIRTY(vp) mapping_tagged(LINVFS_GET_IP(vp)->i_mapping, \
+#define VN_MAPPED(vp) mapping_mapped(vp->i_mapping)
+#define VN_CACHED(vp) (vp->i_mapping->nrpages)
+#define VN_DIRTY(vp) mapping_tagged(vp->i_mapping, \
PAGECACHE_TAG_DIRTY)
-#define VMODIFY(vp) VN_FLAGSET(vp, VMODIFIED)
-#define VUNMODIFY(vp) VN_FLAGCLR(vp, VMODIFIED)
-
-/*
- * Flags to VOP_SETATTR/VOP_GETATTR.
- */
-#define ATTR_UTIME 0x01 /* non-default utime(2) request */
-#define ATTR_DMI 0x08 /* invocation from a DMI function */
-#define ATTR_LAZY 0x80 /* set/get attributes lazily */
-#define ATTR_NONBLOCK 0x100 /* return EAGAIN if operation would block */
-#define ATTR_NOLOCK 0x200 /* Don't grab any conflicting locks */
-
-/*
- * Flags to VOP_FSYNC and VOP_RECLAIM.
- */
-#define FSYNC_NOWAIT 0 /* asynchronous flush */
-#define FSYNC_WAIT 0x1 /* synchronous fsync or forced reclaim */
-#define FSYNC_INVAL 0x2 /* flush and invalidate cached data */
-#define FSYNC_DATA 0x4 /* synchronous fsync of data only */
-
-/*
- * Tracking vnode activity.
- */
-#if defined(XFS_VNODE_TRACE)
-
-#define VNODE_TRACE_SIZE 16 /* number of trace entries */
-#define VNODE_KTRACE_ENTRY 1
-#define VNODE_KTRACE_EXIT 2
-#define VNODE_KTRACE_HOLD 3
-#define VNODE_KTRACE_REF 4
-#define VNODE_KTRACE_RELE 5
-
-extern void vn_trace_entry(struct vnode *, const char *, inst_t *);
-extern void vn_trace_exit(struct vnode *, const char *, inst_t *);
-extern void vn_trace_hold(struct vnode *, char *, int, inst_t *);
-extern void vn_trace_ref(struct vnode *, char *, int, inst_t *);
-extern void vn_trace_rele(struct vnode *, char *, int, inst_t *);
-#define VN_TRACE(vp) \
- vn_trace_ref(vp, __FILE__, __LINE__, (inst_t *)__return_address)
-#else
-#define vn_trace_entry(a,b,c)
-#define vn_trace_exit(a,b,c)
-#define vn_trace_hold(a,b,c,d)
-#define vn_trace_ref(a,b,c,d)
-#define vn_trace_rele(a,b,c,d)
-#define VN_TRACE(vp)
-#endif
#endif /* __XFS_VNODE_H__ */
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