On Fri, Jul 21, 2017 at 01:29:08PM -0400, jo...@toxicpanda.com wrote: > From: Josef Bacik <jba...@fb.com> > > Readdir does dir_emit while under the btree lock. dir_emit can trigger > the page fault which means we can deadlock. Fix this by allocating a > buffer on opening a directory and copying the readdir into this buffer > and doing dir_emit from outside of the tree lock. > > Signed-off-by: Josef Bacik <jba...@fb.com>
This is broken, don't anybody actually run this, I'm more interested in comments on the overall solution. I'll get it working and post a V2 after a few days if nobody has objections to the approach as a whole. Thanks, Josef -- 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
