| zfsimpl.c (242241) | zfsimpl.c (243674) |
|---|---|
| 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: stable/9/sys/boot/zfs/zfsimpl.c 242241 2012-10-28 16:10:03Z avg $"); | 28__FBSDID("$FreeBSD: stable/9/sys/boot/zfs/zfsimpl.c 243674 2012-11-29 14:05:04Z 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; --- 135 unchanged lines hidden (view full) --- 195 pair = p; 196 xdr_int(&p, &encoded_size); 197 xdr_int(&p, &decoded_size); 198 } 199 200 return (EIO); 201} 202 | 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; --- 135 unchanged lines hidden (view full) --- 202 pair = p; 203 xdr_int(&p, &encoded_size); 204 xdr_int(&p, &decoded_size); 205 } 206 207 return (EIO); 208} 209 |
| 210static int 211nvlist_check_features_for_read(const unsigned char *nvlist) 212{ 213 const unsigned char *p, *pair; 214 int junk; 215 int encoded_size, decoded_size; 216 int rc; 217 218 rc = 0; 219 220 p = nvlist; 221 xdr_int(&p, &junk); 222 xdr_int(&p, &junk); 223 224 pair = p; 225 xdr_int(&p, &encoded_size); 226 xdr_int(&p, &decoded_size); 227 while (encoded_size && decoded_size) { 228 int namelen, pairtype; 229 const char *pairname; 230 int i, found; 231 232 found = 0; 233 234 xdr_int(&p, &namelen); 235 pairname = (const char*) p; 236 p += roundup(namelen, 4); 237 xdr_int(&p, &pairtype); 238 239 for (i = 0; features_for_read[i] != NULL; i++) { 240 if (!memcmp(pairname, features_for_read[i], namelen)) { 241 found = 1; 242 break; 243 } 244 } 245 246 if (!found) { 247 printf("ZFS: unsupported feature: %s\n", pairname); 248 rc = EIO; 249 } 250 251 p = pair + encoded_size; 252 253 pair = p; 254 xdr_int(&p, &encoded_size); 255 xdr_int(&p, &decoded_size); 256 } 257 258 return (rc); 259} 260 |
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| 203/* 204 * Return the next nvlist in an nvlist array. 205 */ 206static const unsigned char * 207nvlist_next(const unsigned char *nvlist) 208{ 209 const unsigned char *p, *pair; 210 int junk; --- 611 unchanged lines hidden (view full) --- 822 blkptr_t bp; 823 const unsigned char *nvlist; 824 uint64_t val; 825 uint64_t guid; 826 uint64_t pool_txg, pool_guid; 827 uint64_t is_log; 828 const char *pool_name; 829 const unsigned char *vdevs; | 261/* 262 * Return the next nvlist in an nvlist array. 263 */ 264static const unsigned char * 265nvlist_next(const unsigned char *nvlist) 266{ 267 const unsigned char *p, *pair; 268 int junk; --- 611 unchanged lines hidden (view full) --- 880 blkptr_t bp; 881 const unsigned char *nvlist; 882 uint64_t val; 883 uint64_t guid; 884 uint64_t pool_txg, pool_guid; 885 uint64_t is_log; 886 const char *pool_name; 887 const unsigned char *vdevs; |
| 888 const unsigned char *features; |
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| 830 int i, rc, is_newer; 831 char *upbuf; 832 const struct uberblock *up; 833 834 /* 835 * Load the vdev label and figure out which 836 * uberblock is most current. 837 */ --- 18 unchanged lines hidden (view full) --- 856 nvlist = (const unsigned char *) vdev_label->vp_nvlist + 4; 857 858 if (nvlist_find(nvlist, 859 ZPOOL_CONFIG_VERSION, 860 DATA_TYPE_UINT64, 0, &val)) { 861 return (EIO); 862 } 863 | 889 int i, rc, is_newer; 890 char *upbuf; 891 const struct uberblock *up; 892 893 /* 894 * Load the vdev label and figure out which 895 * uberblock is most current. 896 */ --- 18 unchanged lines hidden (view full) --- 915 nvlist = (const unsigned char *) vdev_label->vp_nvlist + 4; 916 917 if (nvlist_find(nvlist, 918 ZPOOL_CONFIG_VERSION, 919 DATA_TYPE_UINT64, 0, &val)) { 920 return (EIO); 921 } 922 |
| 864 if (val > SPA_VERSION) { | 923 if (!SPA_VERSION_IS_SUPPORTED(val)) { |
| 865 printf("ZFS: unsupported ZFS version %u (should be %u)\n", 866 (unsigned) val, (unsigned) SPA_VERSION); 867 return (EIO); 868 } 869 | 924 printf("ZFS: unsupported ZFS version %u (should be %u)\n", 925 (unsigned) val, (unsigned) SPA_VERSION); 926 return (EIO); 927 } 928 |
| 929 /* Check ZFS features for read */ |
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| 870 if (nvlist_find(nvlist, | 930 if (nvlist_find(nvlist, |
| 931 ZPOOL_CONFIG_FEATURES_FOR_READ, 932 DATA_TYPE_NVLIST, 0, &features) == 0 933 && nvlist_check_features_for_read(features) != 0) 934 return (EIO); 935 936 if (nvlist_find(nvlist, |
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| 871 ZPOOL_CONFIG_POOL_STATE, 872 DATA_TYPE_UINT64, 0, &val)) { 873 return (EIO); 874 } 875 876 if (val == POOL_STATE_DESTROYED) { 877 /* We don't boot only from destroyed pools. */ 878 return (EIO); --- 1157 unchanged lines hidden --- | 937 ZPOOL_CONFIG_POOL_STATE, 938 DATA_TYPE_UINT64, 0, &val)) { 939 return (EIO); 940 } 941 942 if (val == POOL_STATE_DESTROYED) { 943 /* We don't boot only from destroyed pools. */ 944 return (EIO); --- 1157 unchanged lines hidden --- |