On Sun, 22 Jan 2023 08:20:06 +0100 Christoph Hellwig <hch@xxxxxx> wrote: > On Sat, Jan 21, 2023 at 05:06:41PM -0800, Andrew Morton wrote: > > This patchset doesn't apply to fs/btrfs/ because linux-next contains > > this 6+ month-old commit: > > Hmm. It was literally written against linux-next as of last morning, > which does not have that commit. Confused. According to https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/fs/btrfs/disk-io.c#n4023 it's there today. wait_dev_supers() has been foliofied.