| vfs_bio.c (43118) | vfs_bio.c (43301) |
|---|---|
| 1/* 2 * Copyright (c) 1994,1997 John S. Dyson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. Absolutely no warranty of function or purpose is made by the author 12 * John S. Dyson. 13 * | 1/* 2 * Copyright (c) 1994,1997 John S. Dyson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. Absolutely no warranty of function or purpose is made by the author 12 * John S. Dyson. 13 * |
| 14 * $Id: vfs_bio.c,v 1.197 1999/01/23 06:36:15 dillon Exp $ | 14 * $Id: vfs_bio.c,v 1.198 1999/01/24 00:51:11 dillon Exp $ |
| 15 */ 16 17/* 18 * this file contains a new buffer I/O scheme implementing a coherent 19 * VM object and buffer cache scheme. Pains have been taken to make 20 * sure that the performance degradation associated with schemes such 21 * as this is not realized. 22 * --- 114 unchanged lines hidden (view full) --- 137SYSCTL_INT(_vfs, OID_AUTO, maxmallocbufspace, CTLFLAG_RW, 138 &maxbufmallocspace, 0, ""); 139SYSCTL_INT(_vfs, OID_AUTO, bufmallocspace, CTLFLAG_RD, 140 &bufmallocspace, 0, ""); 141SYSCTL_INT(_vfs, OID_AUTO, kvafreespace, CTLFLAG_RD, 142 &kvafreespace, 0, ""); 143 144static LIST_HEAD(bufhashhdr, buf) bufhashtbl[BUFHSZ], invalhash; | 15 */ 16 17/* 18 * this file contains a new buffer I/O scheme implementing a coherent 19 * VM object and buffer cache scheme. Pains have been taken to make 20 * sure that the performance degradation associated with schemes such 21 * as this is not realized. 22 * --- 114 unchanged lines hidden (view full) --- 137SYSCTL_INT(_vfs, OID_AUTO, maxmallocbufspace, CTLFLAG_RW, 138 &maxbufmallocspace, 0, ""); 139SYSCTL_INT(_vfs, OID_AUTO, bufmallocspace, CTLFLAG_RD, 140 &bufmallocspace, 0, ""); 141SYSCTL_INT(_vfs, OID_AUTO, kvafreespace, CTLFLAG_RD, 142 &kvafreespace, 0, ""); 143 144static LIST_HEAD(bufhashhdr, buf) bufhashtbl[BUFHSZ], invalhash; |
| 145struct bqueues bufqueues[BUFFER_QUEUES] = {0}; | 145struct bqueues bufqueues[BUFFER_QUEUES] = { { 0 } }; |
| 146 147extern int vm_swap_size; 148 149#define BUF_MAXUSE 24 150 151#define VFS_BIO_NEED_ANY 1 152#define VFS_BIO_NEED_LOWLIMIT 2 153#define VFS_BIO_NEED_FREE 4 --- 2304 unchanged lines hidden --- | 146 147extern int vm_swap_size; 148 149#define BUF_MAXUSE 24 150 151#define VFS_BIO_NEED_ANY 1 152#define VFS_BIO_NEED_LOWLIMIT 2 153#define VFS_BIO_NEED_FREE 4 --- 2304 unchanged lines hidden --- |