X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/b226f5e54a60dc81db17b1260381d7dbfea3cdf1..0a7de7458d150b5d4dffc935ba399be265ef0a1a:/bsd/vm/vnode_pager.h

diff --git a/bsd/vm/vnode_pager.h b/bsd/vm/vnode_pager.h
index 17adbf1e7..920212c5c 100644
--- a/bsd/vm/vnode_pager.h
+++ b/bsd/vm/vnode_pager.h
@@ -2,7 +2,7 @@
  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
+ *
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -11,10 +11,10 @@
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
- * 
+ *
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
- * 
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,24 +22,24 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
+ *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
-/* 
+/*
  * Mach Operating System
  * Copyright (c) 1987 Carnegie-Mellon University
  * All rights reserved.  The CMU software License Agreement specifies
  * the terms and conditions for use and redistribution.
  */
 
-#ifndef	_VNODE_PAGER_
-#define	_VNODE_PAGER_	1
+#ifndef _VNODE_PAGER_
+#define _VNODE_PAGER_   1
 
 #include <mach/kern_return.h>
 #include <sys/types.h>
 #include <kern/queue.h>
 
-#ifdef	KERNEL
+#ifdef  KERNEL
 #include <mach/boolean.h>
 #include <mach/memory_object_types.h>
 #include <mach/vm_types.h>
@@ -68,30 +68,30 @@
  * Pager file structure.  One per swap file.
  */
 typedef struct pager_file {
-	queue_chain_t	pf_chain;	/* link to other paging files */
-	struct	vnode	*pf_vp;		/* vnode of paging file */
-	u_int		pf_count;	/* Number of vstruct using this file */
-	u_char		*pf_bmap; 	/* Map of used blocks */
-	long		pf_npgs;	/* Size of file in pages */
-	long		pf_pfree;	/* Number of unused pages */
-	long		pf_lowat;	/* Low water page */
-	long		pf_hipage;	/* Highest page allocated */
-	long		pf_hint;	/* Lowest page unallocated */
-	char		*pf_name;	/* Filename of this file */
-	boolean_t	pf_prefer;
-	int		pf_index;	/* index into the pager_file array */
-	void *		pf_lock;	/* Lock for alloc and dealloc */
+	queue_chain_t   pf_chain;       /* link to other paging files */
+	struct  vnode   *pf_vp;         /* vnode of paging file */
+	u_int           pf_count;       /* Number of vstruct using this file */
+	u_char          *pf_bmap;       /* Map of used blocks */
+	long            pf_npgs;        /* Size of file in pages */
+	long            pf_pfree;       /* Number of unused pages */
+	long            pf_lowat;       /* Low water page */
+	long            pf_hipage;      /* Highest page allocated */
+	long            pf_hint;        /* Lowest page unallocated */
+	char            *pf_name;       /* Filename of this file */
+	boolean_t       pf_prefer;
+	int             pf_index;       /* index into the pager_file array */
+	void *          pf_lock;        /* Lock for alloc and dealloc */
 } *pager_file_t;
 
-#define	PAGER_FILE_NULL	(pager_file_t) 0
+#define PAGER_FILE_NULL (pager_file_t) 0
 
-#define	MAXPAGERFILES 16
+#define MAXPAGERFILES 16
 
 #define MAX_BACKING_STORE 100
 
 struct bs_map {
-	struct vnode    *vp;   
-	void     	*bs;
+	struct vnode    *vp;
+	void            *bs;
 };
 extern struct bs_map  bs_port_table[];
 
@@ -100,33 +100,33 @@ extern struct bs_map  bs_port_table[];
 /*
  * Pager file data structures.
  */
-#define	INDEX_NULL	0
+#define INDEX_NULL      0
 typedef struct {
-	unsigned int index:8;	/* paging file this block is in */
-	unsigned int offset:24;	/* page number where block resides */
+	unsigned int index:8;   /* paging file this block is in */
+	unsigned int offset:24; /* page number where block resides */
 } pf_entry;
 
 typedef enum {
-		IS_INODE,	/* Local disk */
-		IS_RNODE	/* NFS */
-	} vpager_fstype;
+	IS_INODE,               /* Local disk */
+	IS_RNODE                /* NFS */
+} vpager_fstype;
 
 /*
  *  Basic vnode pager structure.  One per object, backing-store pair.
  */
 typedef struct vstruct {
-	boolean_t	is_device;	/* Must be first - see vm_pager.h */
-	pager_file_t	vs_pf;		/* Pager file this uses */
-	pf_entry	**vs_pmap;	/* Map of pages into paging file */
+	boolean_t       is_device;      /* Must be first - see vm_pager.h */
+	pager_file_t    vs_pf;          /* Pager file this uses */
+	pf_entry        **vs_pmap;      /* Map of pages into paging file */
 	unsigned int
-	/* boolean_t */	vs_swapfile:1;	/* vnode is a swapfile */
-	short		vs_count;	/* use count */
-	int		vs_size;	/* size of this chunk in pages*/
-	struct vnode	*vs_vp;		/* vnode to page to */
+	/* boolean_t */ vs_swapfile:1;  /* vnode is a swapfile */
+	short           vs_count;       /* use count */
+	int             vs_size;        /* size of this chunk in pages*/
+	struct vnode    *vs_vp;         /* vnode to page to */
 } *vnode_pager_t;
 
-#define	VNODE_PAGER_NULL	((vnode_pager_t) 0)
+#define VNODE_PAGER_NULL        ((vnode_pager_t) 0)
 
-#endif	/* KERNEL */
+#endif  /* KERNEL */
 
-#endif	/* _VNODE_PAGER_ */
+#endif  /* _VNODE_PAGER_ */