mtd/fs/jffs2 nodelist.c,1.68,1.69

Joakim Tjernlund jocke at infradead.org
Fri Jan 10 11:23:01 EST 2003


Update of /home/cvs/mtd/fs/jffs2
In directory phoenix.infradead.org:/tmp/cvs-serv19988

Modified Files:
	nodelist.c 
Log Message:
Did the same locking/REF_PRISTINE fix for the def: case

Index: nodelist.c
===================================================================
RCS file: /home/cvs/mtd/fs/jffs2/nodelist.c,v
retrieving revision 1.68
retrieving revision 1.69
diff -u -r1.68 -r1.69
--- nodelist.c	10 Jan 2003 15:59:46 -0000	1.68
+++ nodelist.c	10 Jan 2003 16:22:58 -0000	1.69
@@ -362,13 +362,30 @@
 				       je16_to_cpu(node.u.nodetype), ref_offset(ref));
 
 				/* Mark the node as having been checked and fix the accounting accordingly */
+				spin_lock_bh(&c->erase_completion_lock);
 				jeb = &c->blocks[ref->flash_offset / c->sector_size];
 				jeb->used_size += ref->totlen;
 				jeb->unchecked_size -= ref->totlen;
 				c->used_size += ref->totlen;
 				c->unchecked_size -= ref->totlen;
-				
-				mark_ref_normal(ref);
+
+				/* If node covers at least a whole page, or if it starts at the 
+				   beginning of a page and runs to the end of the file, or if 
+				   it's a hole node, mark it REF_PRISTINE, else REF_NORMAL. 
+
+				   If it's actually overlapped, it'll get made NORMAL (or OBSOLETE) 
+				   when the overlapping node(s) get added to the tree anyway. 
+				*/
+				if ((je32_to_cpu(node.i.dsize) >= PAGE_CACHE_SIZE) ||
+				    ( ((je32_to_cpu(node.i.offset)&(PAGE_CACHE_SIZE-1))==0) &&
+				      (je32_to_cpu(node.i.dsize)+je32_to_cpu(node.i.offset) ==  je32_to_cpu(node.i.isize)))) {
+					D1(printk(KERN_DEBUG "Marking node at 0x%08x REF_PRISTINE\n", ref_offset(ref)));
+					ref->flash_offset = ref_offset(ref) | REF_PRISTINE;
+				} else {
+					D1(printk(KERN_DEBUG "Marking node at 0x%08x REF_NORMAL\n", ref_offset(ref)));
+					ref->flash_offset = ref_offset(ref) | REF_NORMAL;
+				}
+				spin_unlock_bh(&c->erase_completion_lock);
 			}
 			node.u.nodetype = cpu_to_je16(JFFS2_NODE_ACCURATE | je16_to_cpu(node.u.nodetype));
 			if (crc32(0, &node, sizeof(struct jffs2_unknown_node)-4) != je32_to_cpu(node.u.hdr_crc)) {





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