| nfs_vfsops.c (25459) | nfs_vfsops.c (25723) |
|---|---|
| 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 * 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_vfsops.c 8.12 (Berkeley) 5/20/95 | 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 * 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_vfsops.c 8.12 (Berkeley) 5/20/95 |
| 37 * $Id: nfs_vfsops.c,v 1.39 1997/05/03 13:42:50 phk Exp $ | 37 * $Id: nfs_vfsops.c,v 1.40 1997/05/04 15:04:49 phk Exp $ |
| 38 */ 39 40#include <sys/param.h> 41#include <sys/conf.h> 42#include <sys/sockio.h> 43#include <sys/signal.h> 44#include <sys/proc.h> 45#include <sys/namei.h> --- 80 unchanged lines hidden (view full) --- 126VFS_SET(nfs_vfsops, nfs, MOUNT_NFS, VFCF_NETWORK); 127 128/* 129 * This structure must be filled in by a primary bootstrap or bootstrap 130 * server for a diskless/dataless machine. It is initialized below just 131 * to ensure that it is allocated to initialized data (.data not .bss). 132 */ 133struct nfs_diskless nfs_diskless = { 0 }; | 38 */ 39 40#include <sys/param.h> 41#include <sys/conf.h> 42#include <sys/sockio.h> 43#include <sys/signal.h> 44#include <sys/proc.h> 45#include <sys/namei.h> --- 80 unchanged lines hidden (view full) --- 126VFS_SET(nfs_vfsops, nfs, MOUNT_NFS, VFCF_NETWORK); 127 128/* 129 * This structure must be filled in by a primary bootstrap or bootstrap 130 * server for a diskless/dataless machine. It is initialized below just 131 * to ensure that it is allocated to initialized data (.data not .bss). 132 */ 133struct nfs_diskless nfs_diskless = { 0 }; |
| 134struct nfsv3_diskless nfsv3_diskless = { 0 }; |
|
| 134int nfs_diskless_valid = 0; 135 136SYSCTL_INT(_vfs_nfs, OID_AUTO, diskless_valid, CTLFLAG_RD, 137 &nfs_diskless_valid, 0, ""); 138 139SYSCTL_STRING(_vfs_nfs, OID_AUTO, diskless_rootpath, CTLFLAG_RD, | 135int nfs_diskless_valid = 0; 136 137SYSCTL_INT(_vfs_nfs, OID_AUTO, diskless_valid, CTLFLAG_RD, 138 &nfs_diskless_valid, 0, ""); 139 140SYSCTL_STRING(_vfs_nfs, OID_AUTO, diskless_rootpath, CTLFLAG_RD, |
| 140 nfs_diskless.root_hostnam, 0, ""); | 141 nfsv3_diskless.root_hostnam, 0, ""); |
| 141 142SYSCTL_OPAQUE(_vfs_nfs, OID_AUTO, diskless_rootaddr, CTLFLAG_RD, | 142 143SYSCTL_OPAQUE(_vfs_nfs, OID_AUTO, diskless_rootaddr, CTLFLAG_RD, |
| 143 &nfs_diskless.root_saddr, sizeof nfs_diskless.root_saddr, | 144 &nfsv3_diskless.root_saddr, sizeof nfsv3_diskless.root_saddr, |
| 144 "%Ssockaddr_in", ""); 145 146SYSCTL_STRING(_vfs_nfs, OID_AUTO, diskless_swappath, CTLFLAG_RD, | 145 "%Ssockaddr_in", ""); 146 147SYSCTL_STRING(_vfs_nfs, OID_AUTO, diskless_swappath, CTLFLAG_RD, |
| 147 nfs_diskless.swap_hostnam, 0, ""); | 148 nfsv3_diskless.swap_hostnam, 0, ""); |
| 148 149SYSCTL_OPAQUE(_vfs_nfs, OID_AUTO, diskless_swapaddr, CTLFLAG_RD, | 149 150SYSCTL_OPAQUE(_vfs_nfs, OID_AUTO, diskless_swapaddr, CTLFLAG_RD, |
| 150 &nfs_diskless.swap_saddr, sizeof nfs_diskless.swap_saddr, | 151 &nfsv3_diskless.swap_saddr, sizeof nfsv3_diskless.swap_saddr, |
| 151 "%Ssockaddr_in",""); 152 153 154void nfsargs_ntoh __P((struct nfs_args *)); 155static int nfs_mountdiskless __P((char *, char *, int, 156 struct sockaddr_in *, struct nfs_args *, 157 struct proc *, struct vnode **, 158 struct mount **)); | 152 "%Ssockaddr_in",""); 153 154 155void nfsargs_ntoh __P((struct nfs_args *)); 156static int nfs_mountdiskless __P((char *, char *, int, 157 struct sockaddr_in *, struct nfs_args *, 158 struct proc *, struct vnode **, 159 struct mount **)); |
| 160void nfs_convert_diskless __P((void)); |
|
| 159 160static int nfs_iosize(nmp) 161 struct nfsmount* nmp; 162{ 163 int iosize; 164 165 /* 166 * Calculate the size used for io buffers. Use the larger 167 * of the two sizes to minimise nfs requests but make sure 168 * that it is at least one VM page to avoid wasting buffer 169 * space. 170 */ 171 iosize = max(nmp->nm_rsize, nmp->nm_wsize); 172 if (iosize < PAGE_SIZE) iosize = PAGE_SIZE; 173 return iosize; 174} 175 | 161 162static int nfs_iosize(nmp) 163 struct nfsmount* nmp; 164{ 165 int iosize; 166 167 /* 168 * Calculate the size used for io buffers. Use the larger 169 * of the two sizes to minimise nfs requests but make sure 170 * that it is at least one VM page to avoid wasting buffer 171 * space. 172 */ 173 iosize = max(nmp->nm_rsize, nmp->nm_wsize); 174 if (iosize < PAGE_SIZE) iosize = PAGE_SIZE; 175 return iosize; 176} 177 |
| 178void nfs_convert_diskless() 179{ 180 bcopy(&nfs_diskless.myif, &nfsv3_diskless.myif, 181 sizeof(struct ifaliasreq)); 182 bcopy(&nfs_diskless.swap_args,&nfsv3_diskless.swap_args, 183 sizeof(struct nfs_args)); 184 nfsv3_diskless.swap_fhsize = NFSX_V2FH; 185 bcopy(nfs_diskless.swap_fh,nfsv3_diskless.swap_fh,NFSX_V2FH); 186 bcopy(&nfs_diskless.swap_saddr,&nfsv3_diskless.swap_saddr, 187 sizeof(struct sockaddr_in)); 188 bcopy(nfs_diskless.swap_hostnam,nfsv3_diskless.swap_hostnam, 189 MNAMELEN); 190 nfsv3_diskless.swap_nblks = nfs_diskless.swap_nblks; 191 bcopy(&nfs_diskless.swap_ucred, &nfsv3_diskless.swap_ucred, 192 sizeof(struct ucred)); 193 bcopy(&nfs_diskless.root_args,&nfsv3_diskless.root_args, 194 sizeof(struct nfs_args)); 195 nfsv3_diskless.root_fhsize = NFSX_V2FH; 196 bcopy(nfs_diskless.root_fh,nfsv3_diskless.root_fh,NFSX_V2FH); 197 bcopy(&nfs_diskless.root_saddr,&nfsv3_diskless.root_saddr, 198 sizeof(struct sockaddr_in)); 199 bcopy(nfs_diskless.root_hostnam,nfsv3_diskless.root_hostnam, 200 MNAMELEN); 201 nfsv3_diskless.root_time = nfs_diskless.root_time; 202 bcopy(nfs_diskless.my_hostnam,nfsv3_diskless.my_hostnam, 203 MAXHOSTNAMELEN); 204 nfs_diskless_valid = 3; 205} 206 |
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| 176/* 177 * nfs statfs call 178 */ 179int 180nfs_statfs(mp, sbp, p) 181 struct mount *mp; 182 register struct statfs *sbp; 183 struct proc *p; --- 141 unchanged lines hidden (view full) --- 325 * if swdevt[0].sw_dev == NODEV 326 * - build the rootfs mount point and call mountnfs() to do the rest. 327 */ 328int 329nfs_mountroot(mp) 330 struct mount *mp; 331{ 332 struct mount *swap_mp; | 207/* 208 * nfs statfs call 209 */ 210int 211nfs_statfs(mp, sbp, p) 212 struct mount *mp; 213 register struct statfs *sbp; 214 struct proc *p; --- 141 unchanged lines hidden (view full) --- 356 * if swdevt[0].sw_dev == NODEV 357 * - build the rootfs mount point and call mountnfs() to do the rest. 358 */ 359int 360nfs_mountroot(mp) 361 struct mount *mp; 362{ 363 struct mount *swap_mp; |
| 333 struct nfs_diskless *nd = &nfs_diskless; | 364 struct nfsv3_diskless *nd = &nfsv3_diskless; |
| 334 struct socket *so; 335 struct vnode *vp; 336 struct proc *p = curproc; /* XXX */ 337 int error, i; 338 u_long l; 339 char buf[128]; 340 341 /* 342 * XXX time must be non-zero when we init the interface or else 343 * the arp code will wedge... 344 */ 345 if (time.tv_sec == 0) 346 time.tv_sec = 1; 347 | 365 struct socket *so; 366 struct vnode *vp; 367 struct proc *p = curproc; /* XXX */ 368 int error, i; 369 u_long l; 370 char buf[128]; 371 372 /* 373 * XXX time must be non-zero when we init the interface or else 374 * the arp code will wedge... 375 */ 376 if (time.tv_sec == 0) 377 time.tv_sec = 1; 378 |
| 379 if (nfs_diskless_valid==1) 380 nfs_convert_diskless(); 381 |
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| 348 /* 349 * XXX splnet, so networks will receive... 350 */ 351 splnet(); 352 353#ifdef notyet 354 /* Set up swap credentials. */ 355 proc0.p_ucred->cr_uid = ntohl(nd->swap_ucred.cr_uid); --- 49 unchanged lines hidden (view full) --- 405 if (error) 406 panic("nfs_mountroot: RTM_ADD: %d", error); 407 } 408 409 /* 410 * Create the rootfs mount point. 411 */ 412 nd->root_args.fh = nd->root_fh; | 382 /* 383 * XXX splnet, so networks will receive... 384 */ 385 splnet(); 386 387#ifdef notyet 388 /* Set up swap credentials. */ 389 proc0.p_ucred->cr_uid = ntohl(nd->swap_ucred.cr_uid); --- 49 unchanged lines hidden (view full) --- 439 if (error) 440 panic("nfs_mountroot: RTM_ADD: %d", error); 441 } 442 443 /* 444 * Create the rootfs mount point. 445 */ 446 nd->root_args.fh = nd->root_fh; |
| 413 /* 414 * If using nfsv3_diskless, replace NFSX_V2FH with nd->root_fhsize. 415 */ 416 nd->root_args.fhsize = NFSX_V2FH; | 447 nd->root_args.fhsize = nd->root_fhsize; |
| 417 l = ntohl(nd->root_saddr.sin_addr.s_addr); 418 sprintf(buf,"%ld.%ld.%ld.%ld:%s", 419 (l >> 24) & 0xff, (l >> 16) & 0xff, 420 (l >> 8) & 0xff, (l >> 0) & 0xff,nd->root_hostnam); 421 printf("NFS ROOT: %s\n",buf); 422 if (error = nfs_mountdiskless(buf, "/", MNT_RDONLY, 423 &nd->root_saddr, &nd->root_args, p, &vp, &mp)) { 424 if (swap_mp) { --- 9 unchanged lines hidden (view full) --- 434 /* Convert to DEV_BSIZE instead of Kilobyte */ 435 nd->swap_nblks *= 2; 436 437 /* 438 * Create a fake mount point just for the swap vnode so that the 439 * swap file can be on a different server from the rootfs. 440 */ 441 nd->swap_args.fh = nd->swap_fh; | 448 l = ntohl(nd->root_saddr.sin_addr.s_addr); 449 sprintf(buf,"%ld.%ld.%ld.%ld:%s", 450 (l >> 24) & 0xff, (l >> 16) & 0xff, 451 (l >> 8) & 0xff, (l >> 0) & 0xff,nd->root_hostnam); 452 printf("NFS ROOT: %s\n",buf); 453 if (error = nfs_mountdiskless(buf, "/", MNT_RDONLY, 454 &nd->root_saddr, &nd->root_args, p, &vp, &mp)) { 455 if (swap_mp) { --- 9 unchanged lines hidden (view full) --- 465 /* Convert to DEV_BSIZE instead of Kilobyte */ 466 nd->swap_nblks *= 2; 467 468 /* 469 * Create a fake mount point just for the swap vnode so that the 470 * swap file can be on a different server from the rootfs. 471 */ 472 nd->swap_args.fh = nd->swap_fh; |
| 442 /* 443 * If using nfsv3_diskless, replace NFSX_V2FH with 444 * nd->swap_fhsize. 445 */ 446 nd->swap_args.fhsize = NFSX_V2FH; | 473 nd->swap_args.fhsize = nd->swap_fhsize; |
| 447 l = ntohl(nd->swap_saddr.sin_addr.s_addr); 448 sprintf(buf,"%ld.%ld.%ld.%ld:%s", 449 (l >> 24) & 0xff, (l >> 16) & 0xff, 450 (l >> 8) & 0xff, (l >> 0) & 0xff,nd->swap_hostnam); 451 printf("NFS SWAP: %s\n",buf); 452 if (error = nfs_mountdiskless(buf, "/swap", 0, 453 &nd->swap_saddr, &nd->swap_args, p, &vp, &swap_mp)) 454 return (error); --- 574 unchanged lines hidden --- | 474 l = ntohl(nd->swap_saddr.sin_addr.s_addr); 475 sprintf(buf,"%ld.%ld.%ld.%ld:%s", 476 (l >> 24) & 0xff, (l >> 16) & 0xff, 477 (l >> 8) & 0xff, (l >> 0) & 0xff,nd->swap_hostnam); 478 printf("NFS SWAP: %s\n",buf); 479 if (error = nfs_mountdiskless(buf, "/swap", 0, 480 &nd->swap_saddr, &nd->swap_args, p, &vp, &swap_mp)) 481 return (error); --- 574 unchanged lines hidden --- |