| nfs_srvsubs.c (35066) | nfs_srvsubs.c (36176) |
|---|---|
| 1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rick Macklem at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)nfs_subs.c 8.3 (Berkeley) 1/4/94 | 1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rick Macklem at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)nfs_subs.c 8.3 (Berkeley) 1/4/94 |
| 37 * $Id: nfs_subs.c,v 1.52 1998/03/30 09:54:12 phk Exp $ | 37 * $Id: nfs_subs.c,v 1.53 1998/04/06 11:41:07 phk Exp $ |
| 38 */ 39 40/* 41 * These functions support the macros and help fiddle mbuf chains for 42 * the nfs op functions. They do things like create the rpc header and 43 * copy data between mbuf chains and uio lists. 44 */ 45#include <sys/param.h> --- 1312 unchanged lines hidden (view full) --- 1358 vaper->va_atime = np->n_atim; 1359 if (np->n_flag & NUPD) 1360 vaper->va_mtime = np->n_mtim; 1361 } 1362 } 1363 return (0); 1364} 1365 | 38 */ 39 40/* 41 * These functions support the macros and help fiddle mbuf chains for 42 * the nfs op functions. They do things like create the rpc header and 43 * copy data between mbuf chains and uio lists. 44 */ 45#include <sys/param.h> --- 1312 unchanged lines hidden (view full) --- 1358 vaper->va_atime = np->n_atim; 1359 if (np->n_flag & NUPD) 1360 vaper->va_mtime = np->n_mtim; 1361 } 1362 } 1363 return (0); 1364} 1365 |
| 1366#ifdef NFS_ACDEBUG 1367#include <sys/sysctl.h> 1368static int nfs_acdebug; 1369SYSCTL_INT(_vfs_nfs, OID_AUTO, acdebug, CTLFLAG_RW, &nfs_acdebug, 0, ""); 1370#endif 1371 |
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| 1366/* 1367 * Check the time stamp 1368 * If the cache is valid, copy contents to *vap and return 0 1369 * otherwise return an error 1370 */ 1371int 1372nfs_getattrcache(vp, vaper) 1373 register struct vnode *vp; 1374 struct vattr *vaper; 1375{ | 1372/* 1373 * Check the time stamp 1374 * If the cache is valid, copy contents to *vap and return 0 1375 * otherwise return an error 1376 */ 1377int 1378nfs_getattrcache(vp, vaper) 1379 register struct vnode *vp; 1380 struct vattr *vaper; 1381{ |
| 1376 register struct nfsnode *np = VTONFS(vp); | 1382 register struct nfsnode *np; |
| 1377 register struct vattr *vap; | 1383 register struct vattr *vap; |
| 1384 struct nfsmount *nmp; 1385 int timeo; |
|
| 1378 | 1386 |
| 1379 if ((time_second - np->n_attrstamp) >= NFS_ATTRTIMEO(np)) { | 1387 np = VTONFS(vp); 1388 vap = &np->n_vattr; 1389 nmp = VFSTONFS(vp->v_mount); 1390 /* XXX n_mtime doesn't seem to be updated on a miss-and-reload */ 1391 timeo = (time_second - np->n_mtime) / 10; 1392 1393#ifdef NFS_ACDEBUG 1394 if (nfs_acdebug>1) 1395 printf("nfs_getattrcache: initial timeo = %d\n", timeo); 1396#endif 1397 1398 if (vap->va_type == VDIR) { 1399 if ((np->n_flag & NMODIFIED) || timeo < nmp->nm_acdirmin) 1400 timeo = nmp->nm_acdirmin; 1401 else if (timeo > nmp->nm_acdirmax) 1402 timeo = nmp->nm_acdirmax; 1403 } else { 1404 if ((np->n_flag & NMODIFIED) || timeo < nmp->nm_acregmin) 1405 timeo = nmp->nm_acregmin; 1406 else if (timeo > nmp->nm_acregmax) 1407 timeo = nmp->nm_acregmax; 1408 } 1409 1410#ifdef NFS_ACDEBUG 1411 if (nfs_acdebug > 2) 1412 printf("acregmin %d; acregmax %d; acdirmin %d; acdirmax %d\n", 1413 nmp->nm_acregmin, nmp->nm_acregmax, 1414 nmp->nm_acdirmin, nmp->nm_acdirmax); 1415 1416 if (nfs_acdebug) 1417 printf("nfs_getattrcache: age = %d; final timeo = %d\n",r 1418 (time_second - np->n_attrstamp), timeo); 1419#endif 1420 1421 if ((time_second - np->n_attrstamp) >= timeo) { |
| 1380 nfsstats.attrcache_misses++; 1381 return (ENOENT); 1382 } 1383 nfsstats.attrcache_hits++; | 1422 nfsstats.attrcache_misses++; 1423 return (ENOENT); 1424 } 1425 nfsstats.attrcache_hits++; |
| 1384 vap = &np->n_vattr; | |
| 1385 if (vap->va_size != np->n_size) { 1386 if (vap->va_type == VREG) { 1387 if (np->n_flag & NMODIFIED) { 1388 if (vap->va_size < np->n_size) 1389 vap->va_size = np->n_size; 1390 else 1391 np->n_size = vap->va_size; 1392 } else --- 705 unchanged lines hidden --- | 1426 if (vap->va_size != np->n_size) { 1427 if (vap->va_type == VREG) { 1428 if (np->n_flag & NMODIFIED) { 1429 if (vap->va_size < np->n_size) 1430 vap->va_size = np->n_size; 1431 else 1432 np->n_size = vap->va_size; 1433 } else --- 705 unchanged lines hidden --- |