X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Fjffs2%2Ferase.c;h=1862e8bc101d4124fde048306512dd2e68daa18c;hb=861018a6a9b55ca1a5bf8cd0ff2d47944ce88827;hp=4616fed75730cddf343b94b2e7f244de81d36c15;hpb=0eac940b8a087576c66ecf8e0f294f2ceb3b607b;p=safe%2Fjmp%2Flinux-2.6

diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index 4616fed..1862e8b 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -135,7 +135,7 @@ void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
 			c->used_size -= jeb->used_size;
 			c->dirty_size -= jeb->dirty_size;
 			jeb->wasted_size = jeb->used_size = jeb->dirty_size = jeb->free_size = 0;
-			jffs2_free_all_node_refs(c, jeb);
+			jffs2_free_jeb_node_refs(c, jeb);
 			list_add(&jeb->list, &c->erasing_list);
 			spin_unlock(&c->erase_completion_lock);
 
@@ -283,22 +283,27 @@ static inline void jffs2_remove_node_refs_from_ino_list(struct jffs2_sb_info *c,
 		jffs2_del_ino_cache(c, ic);
 }
 
-void jffs2_free_all_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
+void jffs2_free_jeb_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
 {
-	struct jffs2_raw_node_ref *ref;
+	struct jffs2_raw_node_ref *block, *ref;
 	D1(printk(KERN_DEBUG "Freeing all node refs for eraseblock offset 0x%08x\n", jeb->offset));
-	while(jeb->first_node) {
-		ref = jeb->first_node;
-		jeb->first_node = ref->next_phys;
 
-		/* Remove from the inode-list */
-		if (ref->next_in_ino)
+	block = ref = jeb->first_node;
+
+	while (ref) {
+		if (ref->flash_offset == REF_LINK_NODE) {
+			ref = ref->next_in_ino;
+			jffs2_free_refblock(block);
+			block = ref;
+			continue;
+		}
+		if (ref->flash_offset != REF_EMPTY_NODE && ref->next_in_ino)
 			jffs2_remove_node_refs_from_ino_list(c, ref, jeb);
 		/* else it was a non-inode node or already removed, so don't bother */
 
-		jffs2_free_raw_node_ref(ref);
+		ref++;
 	}
-	jeb->last_node = NULL;
+	jeb->first_node = jeb->last_node = NULL;
 }
 
 static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, uint32_t *bad_offset)
@@ -351,7 +356,6 @@ fail:
 
 static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
 {
-	struct jffs2_raw_node_ref *marker_ref = NULL;
 	size_t retlen;
 	int ret;
 	uint32_t bad_offset;
@@ -384,11 +388,7 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
 			.totlen =	cpu_to_je32(c->cleanmarker_size)
 		};
 
-		marker_ref = jffs2_alloc_raw_node_ref();
-		if (!marker_ref) {
-			printk(KERN_WARNING "Failed to allocate raw node ref for clean marker. Refiling\n");
-			goto refile;
-		}
+		jffs2_prealloc_raw_node_refs(c, jeb, 1);
 
 		marker.hdr_crc = cpu_to_je32(crc32(0, &marker, sizeof(struct jffs2_unknown_node)-4));
 
@@ -404,16 +404,13 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
 				printk(KERN_WARNING "Short write to newly-erased block at 0x%08x: Wanted %zd, got %zd\n",
 				       jeb->offset, sizeof(marker), retlen);
 
-			jffs2_free_raw_node_ref(marker_ref);
 			goto filebad;
 		}
 
 		/* Everything else got zeroed before the erase */
 		jeb->free_size = c->sector_size;
-
-		marker_ref->flash_offset = jeb->offset | REF_NORMAL;
-
-		jffs2_link_node_ref(c, jeb, marker_ref, c->cleanmarker_size, NULL);
+		/* FIXME Special case for cleanmarker in empty block */
+		jffs2_link_node_ref(c, jeb, jeb->offset | REF_NORMAL, c->cleanmarker_size, NULL);
 	}
 
 	spin_lock(&c->erase_completion_lock);