118  * Make a single attempt to progress GC. Move one node, and possibly
138 		   the node CRCs etc. Do it now. */  in jffs2_garbage_collect_pass()
233 		D1(printk(KERN_DEBUG "Node at 0x%08x is obsolete... skipping\n", ref_offset(raw)));  in jffs2_garbage_collect_pass()
247 	D1(printk(KERN_DEBUG "Going to garbage collect node at 0x%08x\n", ref_offset(raw)));  in jffs2_garbage_collect_pass()
250 		/* Inode-less node. Clean marker, snapshot or something like that */  in jffs2_garbage_collect_pass()
268 …D1(printk(KERN_DEBUG "jffs2_garbage_collect_pass collecting from block @0x%08x. Node @0x%08x(%d), …  in jffs2_garbage_collect_pass()
273 	   2. Inode is not in-core, node is REF_PRISTINE. We lock the  in jffs2_garbage_collect_pass()
274 	      inocache to prevent a read_inode(), copy the node intact.  in jffs2_garbage_collect_pass()
275 	   3. Inode is not in-core, node is not pristine. We must iget()  in jffs2_garbage_collect_pass()
288 			D1(printk(KERN_DEBUG "Ino #%u is absent but node not REF_PRISTINE. Reading.\n",  in jffs2_garbage_collect_pass()
336 	   node intact, and we don't have to muck about with the fragtree etc.  in jffs2_garbage_collect_pass()
426 		D1(printk(KERN_DEBUG "node to be GC'd was obsoleted in the meantime.\n"));  in jffs2_garbage_collect_live()
439 	/* FIXME. Read node and do lookup? */  in jffs2_garbage_collect_live()
441 		if (frag->node && frag->node->raw == raw) {  in jffs2_garbage_collect_live()
442 			fn = frag->node;  in jffs2_garbage_collect_live()
446 			if (nrfrags == frag->node->frags)  in jffs2_garbage_collect_live()
455 				frag->node->raw = f->inocache->nodes;  in jffs2_garbage_collect_live()
482 		printk(KERN_WARNING "Raw node at 0x%08x wasn't in node lists for ino #%u\n",  in jffs2_garbage_collect_live()
501 	union jffs2_node_union *node;  in jffs2_garbage_collect_pristine()  local
509 	D1(printk(KERN_DEBUG "Going to GC REF_PRISTINE node at 0x%08x\n", ref_offset(raw)));  in jffs2_garbage_collect_pristine()
526 	node = kmalloc(rawlen, GFP_KERNEL);  in jffs2_garbage_collect_pristine()
527 	if (!node)  in jffs2_garbage_collect_pristine()
530 	ret = jffs2_flash_read(c, ref_offset(raw), rawlen, &retlen, (unsigned char *)node);  in jffs2_garbage_collect_pristine()
536 	crc = crc32(0, node, sizeof(struct jffs2_unknown_node)-4);  in jffs2_garbage_collect_pristine()
537 	if (je32_to_cpu(node->u.hdr_crc) != crc) {  in jffs2_garbage_collect_pristine()
538 …printk(KERN_WARNING "Header CRC failed on REF_PRISTINE node at 0x%08x: Read 0x%08x, calculated 0x%…  in jffs2_garbage_collect_pristine()
539 		       ref_offset(raw), je32_to_cpu(node->u.hdr_crc), crc);  in jffs2_garbage_collect_pristine()
543 	switch(je16_to_cpu(node->u.nodetype)) {  in jffs2_garbage_collect_pristine()
545 		crc = crc32(0, node, sizeof(node->i)-8);  in jffs2_garbage_collect_pristine()
546 		if (je32_to_cpu(node->i.node_crc) != crc) {  in jffs2_garbage_collect_pristine()
547 …printk(KERN_WARNING "Node CRC failed on REF_PRISTINE data node at 0x%08x: Read 0x%08x, calculated …  in jffs2_garbage_collect_pristine()
548 			       ref_offset(raw), je32_to_cpu(node->i.node_crc), crc);  in jffs2_garbage_collect_pristine()
552 		if (je32_to_cpu(node->i.dsize)) {  in jffs2_garbage_collect_pristine()
553 			crc = crc32(0, node->i.data, je32_to_cpu(node->i.csize));  in jffs2_garbage_collect_pristine()
554 			if (je32_to_cpu(node->i.data_crc) != crc) {  in jffs2_garbage_collect_pristine()
555 …printk(KERN_WARNING "Data CRC failed on REF_PRISTINE data node at 0x%08x: Read 0x%08x, calculated …  in jffs2_garbage_collect_pristine()
556 				       ref_offset(raw), je32_to_cpu(node->i.data_crc), crc);  in jffs2_garbage_collect_pristine()
563 		crc = crc32(0, node, sizeof(node->d)-8);  in jffs2_garbage_collect_pristine()
564 		if (je32_to_cpu(node->d.node_crc) != crc) {  in jffs2_garbage_collect_pristine()
565 …printk(KERN_WARNING "Node CRC failed on REF_PRISTINE dirent node at 0x%08x: Read 0x%08x, calculate…  in jffs2_garbage_collect_pristine()
566 			       ref_offset(raw), je32_to_cpu(node->d.node_crc), crc);  in jffs2_garbage_collect_pristine()
570 		if (node->d.nsize) {  in jffs2_garbage_collect_pristine()
571 			crc = crc32(0, node->d.name, node->d.nsize);  in jffs2_garbage_collect_pristine()
572 			if (je32_to_cpu(node->d.name_crc) != crc) {  in jffs2_garbage_collect_pristine()
574 				       ref_offset(raw), je32_to_cpu(node->d.name_crc), crc);  in jffs2_garbage_collect_pristine()
580 		printk(KERN_WARNING "Unknown node type for REF_PRISTINE node at 0x%08x: 0x%04x\n",  in jffs2_garbage_collect_pristine()
581 		       ref_offset(raw), je16_to_cpu(node->u.nodetype));  in jffs2_garbage_collect_pristine()
591 	/* OK, all the CRCs are good; this node can just be copied as-is. */  in jffs2_garbage_collect_pristine()
597 	ret = jffs2_flash_write(c, phys_ofs, rawlen, &retlen, (unsigned char *)node);  in jffs2_garbage_collect_pristine()
620 			D1(printk(KERN_DEBUG "Retrying failed write of REF_PRISTINE node.\n"));  in jffs2_garbage_collect_pristine()
657 	D1(printk(KERN_DEBUG "WHEEE! GC REF_PRISTINE node at 0x%08x succeeded\n", ref_offset(raw)));  in jffs2_garbage_collect_pristine()
660 	kfree(node);  in jffs2_garbage_collect_pristine()
680 		/* For these, we don't actually need to read the old node */  in jffs2_garbage_collect_metadata()
819 		/* Prevent the erase code from nicking the obsolete node refs while  in jffs2_garbage_collect_deletion_dirent()
841 			/* This is an obsolete node belonging to the same directory, and it's of the right  in jffs2_garbage_collect_deletion_dirent()
845 …printk(KERN_WARNING "jffs2_g_c_deletion_dirent(): Read error (%d) reading obsolete node at %08x\n"…  in jffs2_garbage_collect_deletion_dirent()
850 …"jffs2_g_c_deletion_dirent(): Short read (%zd not %u) reading header from obsolete node at %08x\n",  in jffs2_garbage_collect_deletion_dirent()
870 			/* OK. The name really does match. There really is still an older node on  in jffs2_garbage_collect_deletion_dirent()
913 	D1(printk(KERN_DEBUG "Writing replacement hole node for ino #%u from offset 0x%x to 0x%x\n",  in jffs2_garbage_collect_hole()
925 …printk(KERN_WARNING "Node read failed in jffs2_garbage_collect_hole. Ret %d, retlen %zd. Data will…  in jffs2_garbage_collect_hole()
929 …printk(KERN_WARNING "jffs2_garbage_collect_hole: Node at 0x%08x had node type 0x%04x instead of JF…  in jffs2_garbage_collect_hole()
935 …printk(KERN_WARNING "jffs2_garbage_collect_hole: Node at 0x%08x had totlen 0x%x instead of expecte…  in jffs2_garbage_collect_hole()
942 …printk(KERN_WARNING "jffs2_garbage_collect_hole: Node at 0x%08x had CRC 0x%08x which doesn't match…  in jffs2_garbage_collect_hole()
951 …printk(KERN_WARNING "jffs2_garbage_collect_hole: Node 0x%08x wasn't a hole node!\n", ref_offset(fn…  in jffs2_garbage_collect_hole()
998 		printk(KERN_WARNING "Error writing new hole node: %ld\n", PTR_ERR(new_fn));  in jffs2_garbage_collect_hole()
1012 	 * We should only get here in the case where the node we are  in jffs2_garbage_collect_hole()
1023 	/* This is a partially-overlapped hole node. Mark it REF_NORMAL not REF_PRISTINE */  in jffs2_garbage_collect_hole()
1030 		if (frag->node == fn) {  in jffs2_garbage_collect_hole()
1031 			frag->node = new_fn;  in jffs2_garbage_collect_hole()
1037 		printk(KERN_WARNING "jffs2_garbage_collect_hole: Old node still has frags!\n");  in jffs2_garbage_collect_hole()
1041 		printk(KERN_WARNING "jffs2_garbage_collect_hole: New node has no frags!\n");  in jffs2_garbage_collect_hole()
1103 			if (!frag->node || !frag->node->raw) {  in jffs2_garbage_collect_dnode()
1113 				struct jffs2_raw_node_ref *raw = frag->node->raw;  in jffs2_garbage_collect_dnode()
1139 		/* Find last frag which is actually part of the node we're to GC. */  in jffs2_garbage_collect_dnode()
1153 			if (!frag->node || !frag->node->raw) {  in jffs2_garbage_collect_dnode()
1163 				struct jffs2_raw_node_ref *raw = frag->node->raw;  in jffs2_garbage_collect_dnode()