On Mon, Mar 26, 2018 at 04:16:26PM -0700, Omar Sandoval wrote: > Even after the previous patch to drop lo_ctl_mutex while calling > vfs_getattr(), there are other cases where we can end up sleeping for a > long time while holding lo_ctl_mutex. Let's avoid the uninterruptible > sleep from the ioctls. Umm ... you want these ioctls to return -EINTR just because you resized an xterm? I think you really meant mutex_lock_killable().