vfs_cluster.c (7daa3570e4485df3ae442c8f468f9b43b4cd88b0) vfs_cluster.c (857b66d50529e867d79bb37f67797ae68bd97598)
1/*-
2 * Copyright (c) 1993
3 * The Regents of the University of California. All rights reserved.
4 * Modifications/enhancements:
5 * Copyright (c) 1995 John S. Dyson. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

--- 65 unchanged lines hidden (view full) ---

74static int read_max = 8;
75SYSCTL_INT(_vfs, OID_AUTO, read_max, CTLFLAG_RW, &read_max, 0,
76 "Cluster read-ahead max block count");
77
78/* Page expended to mark partially backed buffers */
79extern vm_page_t bogus_page;
80
81/*
1/*-
2 * Copyright (c) 1993
3 * The Regents of the University of California. All rights reserved.
4 * Modifications/enhancements:
5 * Copyright (c) 1995 John S. Dyson. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

--- 65 unchanged lines hidden (view full) ---

74static int read_max = 8;
75SYSCTL_INT(_vfs, OID_AUTO, read_max, CTLFLAG_RW, &read_max, 0,
76 "Cluster read-ahead max block count");
77
78/* Page expended to mark partially backed buffers */
79extern vm_page_t bogus_page;
80
81/*
82 * Number of physical bufs (pbufs) this subsystem is allowed.
83 * Manipulated by vm_pager.c
84 */
85extern int cluster_pbuf_freecnt;
86
87/*
88 * Read data to a buf, including read-ahead if we find this to be beneficial.
89 * cluster_read replaces bread.
90 */
91int
92cluster_read(vp, filesize, lblkno, size, cred, totread, seqcount, bpp)
93 struct vnode *vp;
94 u_quad_t filesize;
95 daddr_t lblkno;

--- 892 unchanged lines hidden --- 		82 * Read data to a buf, including read-ahead if we find this to be beneficial.
83 * cluster_read replaces bread.
84 */
85int
86cluster_read(vp, filesize, lblkno, size, cred, totread, seqcount, bpp)
87 struct vnode *vp;
88 u_quad_t filesize;
89 daddr_t lblkno;

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