On Thu, 13 Jan 2011, 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? Not sure, as we should not end up there at all I guess. -- 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