| zfsimpl.c (235390) | zfsimpl.c (236884) |
|---|---|
| 1/*- 2 * Copyright (c) 2007 Doug Rabson 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 --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2007 Doug Rabson 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 --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/boot/zfs/zfsimpl.c 235390 2012-05-13 09:22:18Z avg $"); | 28__FBSDID("$FreeBSD: head/sys/boot/zfs/zfsimpl.c 236884 2012-06-11 11:35:22Z mm $"); |
| 29 30/* 31 * Stand-alone ZFS file reader. 32 */ 33 34#include <sys/stat.h> 35#include <sys/stdint.h> 36 --- 7 unchanged lines hidden (view full) --- 44 uint64_t rootobj; 45}; 46 47/* 48 * List of all vdevs, chained through v_alllink. 49 */ 50static vdev_list_t zfs_vdevs; 51 | 29 30/* 31 * Stand-alone ZFS file reader. 32 */ 33 34#include <sys/stat.h> 35#include <sys/stdint.h> 36 --- 7 unchanged lines hidden (view full) --- 44 uint64_t rootobj; 45}; 46 47/* 48 * List of all vdevs, chained through v_alllink. 49 */ 50static vdev_list_t zfs_vdevs; 51 |
| 52 /* 53 * List of ZFS features supported for read 54 */ 55static const char *features_for_read[] = { 56 NULL 57}; 58 |
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| 52/* 53 * List of all pools, chained through spa_link. 54 */ 55static spa_list_t zfs_pools; 56 57static uint64_t zfs_crc64_table[256]; 58static const dnode_phys_t *dnode_cache_obj = 0; 59static uint64_t dnode_cache_bn; --- 133 unchanged lines hidden (view full) --- 193 pair = p; 194 xdr_int(&p, &encoded_size); 195 xdr_int(&p, &decoded_size); 196 } 197 198 return (EIO); 199} 200 | 59/* 60 * List of all pools, chained through spa_link. 61 */ 62static spa_list_t zfs_pools; 63 64static uint64_t zfs_crc64_table[256]; 65static const dnode_phys_t *dnode_cache_obj = 0; 66static uint64_t dnode_cache_bn; --- 133 unchanged lines hidden (view full) --- 200 pair = p; 201 xdr_int(&p, &encoded_size); 202 xdr_int(&p, &decoded_size); 203 } 204 205 return (EIO); 206} 207 |
| 208static int 209nvlist_check_features_for_read(const unsigned char *nvlist) 210{ 211 const unsigned char *p, *pair; 212 int junk; 213 int encoded_size, decoded_size; 214 int rc; 215 216 rc = 0; 217 218 p = nvlist; 219 xdr_int(&p, &junk); 220 xdr_int(&p, &junk); 221 222 pair = p; 223 xdr_int(&p, &encoded_size); 224 xdr_int(&p, &decoded_size); 225 while (encoded_size && decoded_size) { 226 int namelen, pairtype; 227 const char *pairname; 228 int i, found; 229 230 found = 0; 231 232 xdr_int(&p, &namelen); 233 pairname = (const char*) p; 234 p += roundup(namelen, 4); 235 xdr_int(&p, &pairtype); 236 237 for (i = 0; features_for_read[i] != NULL; i++) { 238 if (!memcmp(pairname, features_for_read[i], namelen)) { 239 found = 1; 240 break; 241 } 242 } 243 244 if (!found) { 245 printf("ZFS: unsupported feature: %s\n", pairname); 246 rc = EIO; 247 } 248 249 p = pair + encoded_size; 250 251 pair = p; 252 xdr_int(&p, &encoded_size); 253 xdr_int(&p, &decoded_size); 254 } 255 256 return (rc); 257} 258 |
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| 201/* 202 * Return the next nvlist in an nvlist array. 203 */ 204static const unsigned char * 205nvlist_next(const unsigned char *nvlist) 206{ 207 const unsigned char *p, *pair; 208 int junk; --- 574 unchanged lines hidden (view full) --- 783 blkptr_t bp; 784 const unsigned char *nvlist; 785 uint64_t val; 786 uint64_t guid; 787 uint64_t pool_txg, pool_guid; 788 uint64_t is_log; 789 const char *pool_name; 790 const unsigned char *vdevs; | 259/* 260 * Return the next nvlist in an nvlist array. 261 */ 262static const unsigned char * 263nvlist_next(const unsigned char *nvlist) 264{ 265 const unsigned char *p, *pair; 266 int junk; --- 574 unchanged lines hidden (view full) --- 841 blkptr_t bp; 842 const unsigned char *nvlist; 843 uint64_t val; 844 uint64_t guid; 845 uint64_t pool_txg, pool_guid; 846 uint64_t is_log; 847 const char *pool_name; 848 const unsigned char *vdevs; |
| 849 const unsigned char *features; |
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| 791 int i, rc, is_newer; 792 char *upbuf; 793 const struct uberblock *up; 794 795 /* 796 * Load the vdev label and figure out which 797 * uberblock is most current. 798 */ --- 18 unchanged lines hidden (view full) --- 817 nvlist = (const unsigned char *) vdev_label->vp_nvlist + 4; 818 819 if (nvlist_find(nvlist, 820 ZPOOL_CONFIG_VERSION, 821 DATA_TYPE_UINT64, 0, &val)) { 822 return (EIO); 823 } 824 | 850 int i, rc, is_newer; 851 char *upbuf; 852 const struct uberblock *up; 853 854 /* 855 * Load the vdev label and figure out which 856 * uberblock is most current. 857 */ --- 18 unchanged lines hidden (view full) --- 876 nvlist = (const unsigned char *) vdev_label->vp_nvlist + 4; 877 878 if (nvlist_find(nvlist, 879 ZPOOL_CONFIG_VERSION, 880 DATA_TYPE_UINT64, 0, &val)) { 881 return (EIO); 882 } 883 |
| 825 if (val > SPA_VERSION) { | 884 if (!SPA_VERSION_IS_SUPPORTED(val)) { |
| 826 printf("ZFS: unsupported ZFS version %u (should be %u)\n", 827 (unsigned) val, (unsigned) SPA_VERSION); 828 return (EIO); 829 } 830 | 885 printf("ZFS: unsupported ZFS version %u (should be %u)\n", 886 (unsigned) val, (unsigned) SPA_VERSION); 887 return (EIO); 888 } 889 |
| 890 /* Check ZFS features for read */ 891 rc = nvlist_find(nvlist, ZPOOL_CONFIG_FEATURES_FOR_READ, 892 DATA_TYPE_NVLIST, 0, &features); 893 if (nvlist_check_features_for_read(features) != 0) 894 return (EIO); 895 |
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| 831 if (nvlist_find(nvlist, 832 ZPOOL_CONFIG_POOL_STATE, 833 DATA_TYPE_UINT64, 0, &val)) { 834 return (EIO); 835 } 836 837 if (val == POOL_STATE_DESTROYED) { 838 /* We don't boot only from destroyed pools. */ --- 1153 unchanged lines hidden --- | 896 if (nvlist_find(nvlist, 897 ZPOOL_CONFIG_POOL_STATE, 898 DATA_TYPE_UINT64, 0, &val)) { 899 return (EIO); 900 } 901 902 if (val == POOL_STATE_DESTROYED) { 903 /* We don't boot only from destroyed pools. */ --- 1153 unchanged lines hidden --- |