https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/diff/fs/fuse/file.c?id=refs/tags/v4.1&id2=refs/tags/v4.0 is the diff between the version that works and the one that is broken. The candidate that broke functionality is likely here:
https://lkml.org/lkml/2015/4/13/871 https://lkml.org/lkml/2015/4/15/475
https:/ /git.kernel. org/cgit/ linux/kernel/ git/stable/ linux-stable. git/diff/ fs/fuse/ file.c? id=refs/ tags/v4. 1&id2=refs/ tags/v4. 0 is the diff between the version that works and the one that is broken. The candidate that broke functionality is likely here:
https:/ /lkml.org/ lkml/2015/ 4/13/871 /lkml.org/ lkml/2015/ 4/15/475
https:/