| vfs_cache.c (260241) | vfs_cache.c (262057) |
|---|---|
| 1/*- 2 * Copyright (c) 1989, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Poul-Henning Kamp of the FreeBSD Project. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)vfs_cache.c 8.5 (Berkeley) 3/22/95 33 */ 34 35#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1989, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Poul-Henning Kamp of the FreeBSD Project. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)vfs_cache.c 8.5 (Berkeley) 3/22/95 33 */ 34 35#include <sys/cdefs.h> |
| 36__FBSDID("$FreeBSD: stable/9/sys/kern/vfs_cache.c 260241 2014-01-03 20:02:59Z kib $"); | 36__FBSDID("$FreeBSD: stable/9/sys/kern/vfs_cache.c 262057 2014-02-17 13:58:50Z avg $"); |
| 37 38#include "opt_kdtrace.h" 39#include "opt_ktrace.h" 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/filedesc.h> 44#include <sys/fnv_hash.h> --- 12 unchanged lines hidden (view full) --- 57#include <sys/vnode.h> 58#ifdef KTRACE 59#include <sys/ktrace.h> 60#endif 61 62#include <vm/uma.h> 63 64SDT_PROVIDER_DECLARE(vfs); | 37 38#include "opt_kdtrace.h" 39#include "opt_ktrace.h" 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/filedesc.h> 44#include <sys/fnv_hash.h> --- 12 unchanged lines hidden (view full) --- 57#include <sys/vnode.h> 58#ifdef KTRACE 59#include <sys/ktrace.h> 60#endif 61 62#include <vm/uma.h> 63 64SDT_PROVIDER_DECLARE(vfs); |
| 65SDT_PROBE_DEFINE3(vfs, namecache, enter, done, done, "struct vnode *", "char *", | 65SDT_PROBE_DEFINE3(vfs, namecache, enter, done, "struct vnode *", "char *", |
| 66 "struct vnode *"); | 66 "struct vnode *"); |
| 67SDT_PROBE_DEFINE2(vfs, namecache, enter_negative, done, done, "struct vnode *", | 67SDT_PROBE_DEFINE2(vfs, namecache, enter_negative, done, "struct vnode *", |
| 68 "char *"); | 68 "char *"); |
| 69SDT_PROBE_DEFINE1(vfs, namecache, fullpath, entry, entry, "struct vnode *"); 70SDT_PROBE_DEFINE3(vfs, namecache, fullpath, hit, hit, "struct vnode *", | 69SDT_PROBE_DEFINE1(vfs, namecache, fullpath, entry, "struct vnode *"); 70SDT_PROBE_DEFINE3(vfs, namecache, fullpath, hit, "struct vnode *", |
| 71 "char *", "struct vnode *"); | 71 "char *", "struct vnode *"); |
| 72SDT_PROBE_DEFINE1(vfs, namecache, fullpath, miss, miss, "struct vnode *"); 73SDT_PROBE_DEFINE3(vfs, namecache, fullpath, return, return, "int", | 72SDT_PROBE_DEFINE1(vfs, namecache, fullpath, miss, "struct vnode *"); 73SDT_PROBE_DEFINE3(vfs, namecache, fullpath, return, "int", |
| 74 "struct vnode *", "char *"); | 74 "struct vnode *", "char *"); |
| 75SDT_PROBE_DEFINE3(vfs, namecache, lookup, hit, hit, "struct vnode *", "char *", | 75SDT_PROBE_DEFINE3(vfs, namecache, lookup, hit, "struct vnode *", "char *", |
| 76 "struct vnode *"); | 76 "struct vnode *"); |
| 77SDT_PROBE_DEFINE2(vfs, namecache, lookup, hit_negative, hit-negative, | 77SDT_PROBE_DEFINE2(vfs, namecache, lookup, hit__negative, |
| 78 "struct vnode *", "char *"); | 78 "struct vnode *", "char *"); |
| 79SDT_PROBE_DEFINE2(vfs, namecache, lookup, miss, miss, "struct vnode *", | 79SDT_PROBE_DEFINE2(vfs, namecache, lookup, miss, "struct vnode *", |
| 80 "char *"); | 80 "char *"); |
| 81SDT_PROBE_DEFINE1(vfs, namecache, purge, done, done, "struct vnode *"); 82SDT_PROBE_DEFINE1(vfs, namecache, purge_negative, done, done, "struct vnode *"); 83SDT_PROBE_DEFINE1(vfs, namecache, purgevfs, done, done, "struct mount *"); 84SDT_PROBE_DEFINE3(vfs, namecache, zap, done, done, "struct vnode *", "char *", | 81SDT_PROBE_DEFINE1(vfs, namecache, purge, done, "struct vnode *"); 82SDT_PROBE_DEFINE1(vfs, namecache, purge_negative, done, "struct vnode *"); 83SDT_PROBE_DEFINE1(vfs, namecache, purgevfs, done, "struct mount *"); 84SDT_PROBE_DEFINE3(vfs, namecache, zap, done, "struct vnode *", "char *", |
| 85 "struct vnode *"); | 85 "struct vnode *"); |
| 86SDT_PROBE_DEFINE2(vfs, namecache, zap_negative, done, done, "struct vnode *", | 86SDT_PROBE_DEFINE2(vfs, namecache, zap_negative, done, "struct vnode *", |
| 87 "char *"); 88 89/* 90 * This structure describes the elements in the cache of recent 91 * names looked up by namei. 92 */ 93 94struct namecache { --- 514 unchanged lines hidden (view full) --- 609 * check to see if the entry is a whiteout; indicate this to 610 * the componentname, if so. 611 */ 612 TAILQ_REMOVE(&ncneg, ncp, nc_dst); 613 TAILQ_INSERT_TAIL(&ncneg, ncp, nc_dst); 614 nchstats.ncs_neghits++; 615 if (ncp->nc_flag & NCF_WHITE) 616 cnp->cn_flags |= ISWHITEOUT; | 87 "char *"); 88 89/* 90 * This structure describes the elements in the cache of recent 91 * names looked up by namei. 92 */ 93 94struct namecache { --- 514 unchanged lines hidden (view full) --- 609 * check to see if the entry is a whiteout; indicate this to 610 * the componentname, if so. 611 */ 612 TAILQ_REMOVE(&ncneg, ncp, nc_dst); 613 TAILQ_INSERT_TAIL(&ncneg, ncp, nc_dst); 614 nchstats.ncs_neghits++; 615 if (ncp->nc_flag & NCF_WHITE) 616 cnp->cn_flags |= ISWHITEOUT; |
| 617 SDT_PROBE(vfs, namecache, lookup, hit_negative, dvp, nc_get_name(ncp), | 617 SDT_PROBE(vfs, namecache, lookup, hit__negative, dvp, nc_get_name(ncp), |
| 618 0, 0, 0); 619 cache_out_ts(ncp, tsp, ticksp); 620 CACHE_WUNLOCK(); 621 return (ENOENT); 622 623wlock: 624 /* 625 * We need to update the cache after our lookup, so upgrade to --- 908 unchanged lines hidden --- | 618 0, 0, 0); 619 cache_out_ts(ncp, tsp, ticksp); 620 CACHE_WUNLOCK(); 621 return (ENOENT); 622 623wlock: 624 /* 625 * We need to update the cache after our lookup, so upgrade to --- 908 unchanged lines hidden --- |