On Wed, 27 Jul 2011 07:28:27 -0400 Theodore Tso <tytso@xxxxxxx> wrote: > > On Jul 27, 2011, at 3:41 AM, NeilBrown wrote: > > > > > > > Hi Ted and all, > > > > I've been exploring RCU usage in the kernel looking for strange things, and > > jbd2_dev_to_name looks particularly strange. The following patch explains > > and addresses the issues that I found. Comments welcome. > > Yeah its broken. But I have patches pending for the merge window that solve > it by nuking the function altogether; the problem is calling a function from > TP_PRINTK causes perf to die on the spot, terminating its tracing. :-( > Sounds painful... If it is about to go, that is good enough for me. Thanks, NeilBrown -- 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