1 files changed, 18 insertions, 42 deletions

diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index a6e57c647be4..35f306cebb87 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2003 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
@@ -65,10 +65,6 @@ struct vattr;
 struct xfs_iomap;
 struct attrlist_cursor_kern;
 
-/*
- * Vnode types.  VNON means no type.
- */
-enum vtype      { VNON, VREG, VDIR, VBLK, VCHR, VLNK, VFIFO, VBAD, VSOCK };
 
 typedef xfs_ino_t vnumber_t;
 typedef struct dentry vname_t;
@@ -77,15 +73,14 @@ typedef bhv_head_t vn_bhv_head_t;
 /*
  * MP locking protocols:
  *      v_flag, v_vfsp                          VN_LOCK/VN_UNLOCK
- *      v_type                                  read-only or fs-dependent
  */
 typedef struct vnode {
         __u32           v_flag;                 /* vnode flags (see below) */
-        enum vtype      v_type;                 /* vnode type */
         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 */
+        atomic_t        v_iocount;              /* outstanding I/O count */
 #ifdef XFS_VNODE_TRACE
         struct ktrace   *v_trace;               /* trace header structure    */
 #endif
@@ -93,6 +88,12 @@ typedef struct vnode {
         /* 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 */
 
@@ -133,22 +134,8 @@ typedef enum {
 #define LINVFS_GET_IP(vp)       (&(vp)->v_inode)
 
 /*
- * Convert between vnode types and inode formats (since POSIX.1
- * defines mode word of stat structure in terms of inode formats).
- */
-extern enum vtype       iftovt_tab[];
-extern u_short          vttoif_tab[];
-#define IFTOVT(mode)    (iftovt_tab[((mode) & S_IFMT) >> 12])
-#define VTTOIF(indx)    (vttoif_tab[(int)(indx)])
-#define MAKEIMODE(indx, mode)   (int)(VTTOIF(indx) | (mode))
-
-
-/*
  * Vnode flags.
  */
-#define VINACT                 0x1      /* vnode is being inactivated   */
-#define VRECLM                 0x2      /* vnode is being reclaimed     */
-#define VWAIT                  0x4      /* waiting for VINACT/VRECLM to end */
 #define VMODIFIED              0x8      /* XFS inode state possibly differs */
                                         /* to the Linux inode state.    */
 
@@ -408,7 +395,6 @@ typedef struct vnodeops {
  */
 typedef struct vattr {
         int             va_mask;        /* bit-mask of attributes present */
-        enum vtype      va_type;        /* vnode type (for create) */
         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 */
@@ -498,27 +484,12 @@ typedef struct vattr {
  * Check whether mandatory file locking is enabled.
  */
 #define MANDLOCK(vp, mode)      \
-        ((vp)->v_type == VREG && ((mode) & (VSGID|(VEXEC>>3))) == VSGID)
+        (VN_ISREG(vp) && ((mode) & (VSGID|(VEXEC>>3))) == VSGID)
 
 extern void     vn_init(void);
-extern int      vn_wait(struct vnode *);
 extern vnode_t  *vn_initialize(struct inode *);
 
 /*
- * Acquiring and invalidating vnodes:
- *
- *      if (vn_get(vp, version, 0))
- *              ...;
- *      vn_purge(vp, version);
- *
- * vn_get and vn_purge must be called with vmap_t arguments, sampled
- * while a lock that the vnode's VOP_RECLAIM function acquires is
- * held, to ensure that the vnode sampled with the lock held isn't
- * recycled (VOP_RECLAIMed) or deallocated between the release of the lock
- * and the subsequent vn_get or vn_purge.
- */
-
-/*
  * vnode_map structures _must_ match vn_epoch and vnode structure sizes.
  */
 typedef struct vnode_map {
@@ -531,11 +502,11 @@ typedef struct vnode_map {
                          (vmap).v_number = (vp)->v_number,      \
                          (vmap).v_ino    = (vp)->v_inode.i_ino; }
 
-extern void     vn_purge(struct vnode *, vmap_t *);
-extern vnode_t  *vn_get(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 *);
+
+extern void     vn_iowait(struct vnode *vp);
+extern void     vn_iowake(struct vnode *vp);
 
 static inline int vn_count(struct vnode *vp)
 {
@@ -546,7 +517,6 @@ static inline int vn_count(struct vnode *vp)
  * 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)             \
@@ -560,6 +530,12 @@ extern void	vn_rele(struct vnode *);
 #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.
  */