This is a note to let you know that I've just added the patch titled btrfs: defrag: don't use merged extent map for their generation check to the 5.16-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: btrfs-defrag-don-t-use-merged-extent-map-for-their-generation-check.patch and it can be found in the queue-5.16 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it.