On Mon, Jan 16, 2012 at 09:53:23AM +0100, Stanislaw Gruszka wrote: > Hi Josef, > > commit 660d3f6cde552323578b85fc5a09a6742f1fe804 > Author: Josef Bacik <jo...@redhat.com> > Date: Fri Dec 9 11:18:51 2011 -0500 > > Btrfs: fix how we do delalloc reservations and how we free reservations > on error > > introduced possible deadlock. According to comment before > btrfs_page_mkwrite(), that function is not allowed to take > node->i_mutex . > > The problem was detected by Patrick (full lockdep info is provided): > http://bugzilla.kernel.org/attachment.cgi?id=72072 > during investigating of some other issue (kernel.org bug 42576) >
It's not a deadlock since you can't mmap a directory, but I posted a fix for this to linux-btrfs last week, afaik it's headed to -rc1. Thanks, Joesf -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
