On Sep 17, 2009 14:55 -0700, Curt Wohlgemuth wrote: > This patch fixes a problem with handling nested calls to > ext4_journal_start/ext4_journal_stop, when there is no journal present. > > Signed-off-by: Curt Wohlgemuth <curtw@xxxxxxxxxx> > --- > > Instead of using the special value of > > (handle_t *)0x1 > > to represent a handle when there is no journal present, we now use a real > handle_t, so we can use its ref counting. The h_transaction field now > determines if there is a journal present or not. You _could_ just use the "handle" value as a refcount, and anything less than, say, 4096 is considered a "special" handle. I can't imagine the refcount being more than 3 or 4 even in extreme cases. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
