| scheme.c (263829) | scheme.c (263844) |
|---|---|
| 1/*- 2 * Copyright (c) 2013,2014 Juniper Networks, Inc. 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 --- 158 unchanged lines hidden (view full) --- 167u_int 168scheme_max_secsz(void) 169{ 170 171 return (scheme->maxsecsz); 172} 173 174lba_t | 1/*- 2 * Copyright (c) 2013,2014 Juniper Networks, Inc. 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 --- 158 unchanged lines hidden (view full) --- 167u_int 168scheme_max_secsz(void) 169{ 170 171 return (scheme->maxsecsz); 172} 173 174lba_t |
| 175scheme_first_block(void) | 175scheme_metadata(u_int where, lba_t start) |
| 176{ | 176{ |
| 177 lba_t blks; | 177 lba_t secs; |
| 178 | 178 |
| 179 blks = scheme->metadata(SCHEME_META_IMG_START) + 180 scheme->metadata(SCHEME_META_PART_BEFORE); 181 return (blks); | 179 secs = scheme->metadata(where); 180 return (round_block(start + secs)); |
| 182} 183 | 181} 182 |
| 184lba_t 185scheme_next_block(lba_t start, lba_t size) 186{ 187 lba_t blks; 188 189 blks = scheme->metadata(SCHEME_META_PART_AFTER) + 190 scheme->metadata(SCHEME_META_PART_BEFORE); 191 return (start + size + blks); 192} 193 | |
| 194int 195scheme_write(int fd, lba_t end) 196{ | 183int 184scheme_write(int fd, lba_t end) 185{ |
| 186 u_int cylsz; |
|
| 197 int error; 198 | 187 int error; 188 |
| 199 /* Fixup block: it has an extra metadata before the partition */ 200 end -= scheme->metadata(SCHEME_META_PART_BEFORE); 201 end += scheme->metadata(SCHEME_META_IMG_END); | 189 cylsz = nsecs * nheads; 190 ncyls = end + cylsz - 1 / cylsz; 191 |
| 202 if (ftruncate(fd, end * secsz) == -1) 203 return (errno); 204 205 error = scheme->write(fd, end, bootcode); 206 return (error); 207} | 192 if (ftruncate(fd, end * secsz) == -1) 193 return (errno); 194 195 error = scheme->write(fd, end, bootcode); 196 return (error); 197} |