This is a note to let you know that I've just added the patch titled compat_ioctl: block: handle BLKGETZONESZ/BLKGETNRZONES to the 5.4-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: compat_ioctl-block-handle-blkgetzonesz-blkgetnrzones.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 21d37340912d74b1222d43c11aa9dd0687162573 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann <arnd@xxxxxxxx> Date: Fri, 29 Nov 2019 11:28:22 +0100 Subject: compat_ioctl: block: handle BLKGETZONESZ/BLKGETNRZONES From: Arnd Bergmann <arnd@xxxxxxxx> commit 21d37340912d74b1222d43c11aa9dd0687162573 upstream. These were added to blkdev_ioctl() in v4.20 but not blkdev_compat_ioctl, so add them now. Cc: <stable@xxxxxxxxxxxxxxx> # v4.20+ Fixes: 72cd87576d1d ("block: Introduce BLKGETZONESZ ioctl") Fixes: 65e4e3eee83d ("block: Introduce BLKGETNRZONES ioctl") Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxx> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- block/compat_ioctl.c | 2 ++ 1 file changed, 2 insertions(+) --- a/block/compat_ioctl.c +++ b/block/compat_ioctl.c @@ -357,6 +357,8 @@ long compat_blkdev_ioctl(struct file *fi case BLKRRPART: case BLKREPORTZONE: case BLKRESETZONE: + case BLKGETZONESZ: + case BLKGETNRZONES: return blkdev_ioctl(bdev, mode, cmd, (unsigned long)compat_ptr(arg)); case BLKBSZSET_32: Patches currently in stable-queue which might be from arnd@xxxxxxxx are queue-5.4/gcc-plugins-make-it-possible-to-disable-config_gcc_plugins-again.patch queue-5.4/compat_ioctl-block-handle-persistent-reservations.patch queue-5.4/compat_ioctl-block-handle-blkgetzonesz-blkgetnrzones.patch queue-5.4/compat_ioctl-block-handle-blkreportzone-blkresetzone.patch queue-5.4/mips-avoid-vdso-abi-breakage-due-to-global-register-variable.patch