On Thu, Oct 09, 2008 at 10:52:52AM +0200, Peter Zijlstra wrote: > On Thu, 2008-10-09 at 00:05 -0400, Theodore Ts'o wrote: > > From: Mingming Cao <cmm@xxxxxxxxxx> > > > > percpu_counter_sum_and_set() and percpu_counter_sum() is the same except > > the former updates the global counter after accounting. Since we are > > taking the fbc->lock to calculate the precise value of the counter in > > percpu_counter_sum() anyway, it should simply set fbc->count too, as the > > percpu_counter_sum_and_set() does. > > > > This patch merge these two interfaces into one. > > I totally missed the patch introducing this _and_set() horror, but this > does look like a good cleanup. Note: this patch was in the -mm tree (Andrew signed off on it), but given that a number of ext4 patches depend on it, we have a copy of it in the ext4 tree. - Ted -- 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
