diff options
Diffstat (limited to 'fs/jffs2/nodelist.h')
-rw-r--r-- | fs/jffs2/nodelist.h | 58 |
1 files changed, 7 insertions, 51 deletions
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h index 94ef88787347..80d1fda2212b 100644 --- a/fs/jffs2/nodelist.h +++ b/fs/jffs2/nodelist.h | |||
@@ -82,7 +82,10 @@ struct jffs2_raw_node_ref | |||
82 | word so you know when you've got there :) */ | 82 | word so you know when you've got there :) */ |
83 | struct jffs2_raw_node_ref *next_phys; | 83 | struct jffs2_raw_node_ref *next_phys; |
84 | uint32_t flash_offset; | 84 | uint32_t flash_offset; |
85 | #define TEST_TOTLEN | ||
86 | #ifdef TEST_TOTLEN | ||
85 | uint32_t __totlen; /* This may die; use ref_totlen(c, jeb, ) below */ | 87 | uint32_t __totlen; /* This may die; use ref_totlen(c, jeb, ) below */ |
88 | #endif | ||
86 | }; | 89 | }; |
87 | 90 | ||
88 | /* flash_offset & 3 always has to be zero, because nodes are | 91 | /* flash_offset & 3 always has to be zero, because nodes are |
@@ -221,57 +224,7 @@ static inline int jffs2_blocks_use_vmalloc(struct jffs2_sb_info *c) | |||
221 | return ((c->flash_size / c->sector_size) * sizeof (struct jffs2_eraseblock)) > (128 * 1024); | 224 | return ((c->flash_size / c->sector_size) * sizeof (struct jffs2_eraseblock)) > (128 * 1024); |
222 | } | 225 | } |
223 | 226 | ||
224 | /* Calculate totlen from surrounding nodes or eraseblock */ | 227 | #define ref_totlen(a, b, c) __jffs2_ref_totlen((a), (b), (c)) |
225 | static inline uint32_t __ref_totlen(struct jffs2_sb_info *c, | ||
226 | struct jffs2_eraseblock *jeb, | ||
227 | struct jffs2_raw_node_ref *ref) | ||
228 | { | ||
229 | uint32_t ref_end; | ||
230 | |||
231 | if (ref->next_phys) | ||
232 | ref_end = ref_offset(ref->next_phys); | ||
233 | else { | ||
234 | if (!jeb) | ||
235 | jeb = &c->blocks[ref->flash_offset / c->sector_size]; | ||
236 | |||
237 | /* Last node in block. Use free_space */ | ||
238 | BUG_ON(ref != jeb->last_node); | ||
239 | ref_end = jeb->offset + c->sector_size - jeb->free_size; | ||
240 | } | ||
241 | return ref_end - ref_offset(ref); | ||
242 | } | ||
243 | |||
244 | static inline uint32_t ref_totlen(struct jffs2_sb_info *c, | ||
245 | struct jffs2_eraseblock *jeb, | ||
246 | struct jffs2_raw_node_ref *ref) | ||
247 | { | ||
248 | uint32_t ret; | ||
249 | |||
250 | #if CONFIG_JFFS2_FS_DEBUG > 0 | ||
251 | if (jeb && jeb != &c->blocks[ref->flash_offset / c->sector_size]) { | ||
252 | printk(KERN_CRIT "ref_totlen called with wrong block -- at 0x%08x instead of 0x%08x; ref 0x%08x\n", | ||
253 | jeb->offset, c->blocks[ref->flash_offset / c->sector_size].offset, ref_offset(ref)); | ||
254 | BUG(); | ||
255 | } | ||
256 | #endif | ||
257 | |||
258 | #if 1 | ||
259 | ret = ref->__totlen; | ||
260 | #else | ||
261 | /* This doesn't actually work yet */ | ||
262 | ret = __ref_totlen(c, jeb, ref); | ||
263 | if (ret != ref->__totlen) { | ||
264 | printk(KERN_CRIT "Totlen for ref at %p (0x%08x-0x%08x) miscalculated as 0x%x instead of %x\n", | ||
265 | ref, ref_offset(ref), ref_offset(ref)+ref->__totlen, | ||
266 | ret, ref->__totlen); | ||
267 | if (!jeb) | ||
268 | jeb = &c->blocks[ref->flash_offset / c->sector_size]; | ||
269 | jffs2_dbg_dump_node_refs_nolock(c, jeb); | ||
270 | BUG(); | ||
271 | } | ||
272 | #endif | ||
273 | return ret; | ||
274 | } | ||
275 | 228 | ||
276 | #define ALLOC_NORMAL 0 /* Normal allocation */ | 229 | #define ALLOC_NORMAL 0 /* Normal allocation */ |
277 | #define ALLOC_DELETION 1 /* Deletion node. Best to allow it */ | 230 | #define ALLOC_DELETION 1 /* Deletion node. Best to allow it */ |
@@ -355,6 +308,9 @@ void jffs2_truncate_fragtree (struct jffs2_sb_info *c, struct rb_root *list, uin | |||
355 | int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_tmp_dnode_info *tn); | 308 | int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_tmp_dnode_info *tn); |
356 | void jffs2_link_node_ref(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, | 309 | void jffs2_link_node_ref(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, |
357 | struct jffs2_raw_node_ref *ref, uint32_t len); | 310 | struct jffs2_raw_node_ref *ref, uint32_t len); |
311 | extern uint32_t __jffs2_ref_totlen(struct jffs2_sb_info *c, | ||
312 | struct jffs2_eraseblock *jeb, | ||
313 | struct jffs2_raw_node_ref *ref); | ||
358 | 314 | ||
359 | /* nodemgmt.c */ | 315 | /* nodemgmt.c */ |
360 | int jffs2_thread_should_wake(struct jffs2_sb_info *c); | 316 | int jffs2_thread_should_wake(struct jffs2_sb_info *c); |