Re: ext2 FS corruption with 2.5.59.

[William Lee Irwin III]

On Sat, Jan 25, 2003 at 07:04:10PM -0800, Andrew Morton wrote:
+static inline unsigned fr_write_begin(frlock_t *rw)
+{
+	unsigned ret = rw->pre_sequence++;
+	wmb();
+	return ret;
+}	
+
+static inline unsigned fr_write_end(frlock_t *rw) 
+{
+	unsgned ret;
+	wmb();
+	ret = ++(rw->post_sequence);
+	wmb();
+	return ret;
+}

Ticket locks need atomic fetch and increment. These don't look right.

-- wli