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Diffstat (limited to 'fs/jffs2/readinode.c')
-rw-r--r--fs/jffs2/readinode.c25
1 files changed, 7 insertions, 18 deletions
diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index b0645ac7769a..f461604cf01f 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -219,7 +219,7 @@ static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
219 struct jffs2_tmp_dnode_info *tn) 219 struct jffs2_tmp_dnode_info *tn)
220{ 220{
221 uint32_t fn_end = tn->fn->ofs + tn->fn->size; 221 uint32_t fn_end = tn->fn->ofs + tn->fn->size;
222 struct jffs2_tmp_dnode_info *insert_point = NULL, *this; 222 struct jffs2_tmp_dnode_info *this;
223 223
224 dbg_readinode("insert fragment %#04x-%#04x, ver %u\n", tn->fn->ofs, fn_end, tn->version); 224 dbg_readinode("insert fragment %#04x-%#04x, ver %u\n", tn->fn->ofs, fn_end, tn->version);
225 225
@@ -248,9 +248,6 @@ static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
248 return 0; 248 return 0;
249 } 249 }
250 250
251 /* If we add a new node it'll be somewhere under here. */
252 insert_point = this;
253
254 /* If the node is coincident with another at a lower address, 251 /* If the node is coincident with another at a lower address,
255 back up until the other node is found. It may be relevant */ 252 back up until the other node is found. It may be relevant */
256 while (tn->overlapped) 253 while (tn->overlapped)
@@ -325,24 +322,16 @@ static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
325 jffs2_kill_tn(c, this); 322 jffs2_kill_tn(c, this);
326 return 0; 323 return 0;
327 } 324 }
328 /* We want to be inserted under the last node which is
329 either at a lower offset _or_ has a smaller range */
330 if (this->fn->ofs < tn->fn->ofs ||
331 (this->fn->ofs == tn->fn->ofs &&
332 this->fn->size <= tn->fn->size))
333 insert_point = this;
334 325
335 this = tn_next(this); 326 this = tn_next(this);
336 } 327 }
337 dbg_readinode("insert_point %p, ver %d, 0x%x-0x%x, ov %d\n", 328
338 insert_point, insert_point->version, insert_point->fn->ofs,
339 insert_point->fn->ofs+insert_point->fn->size,
340 insert_point->overlapped);
341 /* We neither completely obsoleted nor were completely 329 /* We neither completely obsoleted nor were completely
342 obsoleted by an earlier node. Insert under insert_point */ 330 obsoleted by an earlier node. Insert into the tree */
343 { 331 {
344 struct rb_node *parent = &insert_point->rb; 332 struct rb_node *parent;
345 struct rb_node **link = &parent; 333 struct rb_node **link = &rii->tn_root.rb_node;
334 struct jffs2_tmp_dnode_info *insert_point;
346 335
347 while (*link) { 336 while (*link) {
348 parent = *link; 337 parent = *link;
@@ -458,7 +447,7 @@ static int jffs2_build_inode_fragtree(struct jffs2_sb_info *c,
458 this = tn_last(&rii->tn_root); 447 this = tn_last(&rii->tn_root);
459 while (this) { 448 while (this) {
460 dbg_readinode("tn %p ver %d range 0x%x-0x%x ov %d\n", this, this->version, this->fn->ofs, 449 dbg_readinode("tn %p ver %d range 0x%x-0x%x ov %d\n", this, this->version, this->fn->ofs,
461 this->fn->ofs+this->fn->size, this->overlapped); 450 this->fn->ofs+this->fn->size, this->overlapped);
462 this = tn_prev(this); 451 this = tn_prev(this);
463 } 452 }
464#endif 453#endif