Hello, On Thu, Jan 13, 2011 at 11:10:45PM +0900, J. R. Okajima wrote: > Thomas Gleixner: > > The dcache scalability work broke NFS root filesystems. > ::: > > Check for parent equal dentry and skip the nested lock to avoid the > > deadlock. I'm sure this is the wrong fix, but at least it "works" :) > > With this patch, can you unmount it cleanly? > It skips incrementing d_count for both dentries. > Do we need at least one? If you tell me how to test that, I volunteer to try. Something involving pivot_root? Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
