All userspace ioctls major/magic number should be documented in Documentation/userspace-api/ioctl/ioctl-number.rst, so add the entry for <linux/nsfs.h>. Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Andrey Vagin <avagin@xxxxxxxxxx> Cc: Serge Hallyn <serge@xxxxxxxxxx> Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> Cc: linux-doc@xxxxxxxxxxxxxxx Cc: Jonathan Corbet <corbet@xxxxxxx> --- Feel free to modify the patch as needed. Probably don't need to backport: # Fixes: 6786741dbf99 ("nsfs: add ioctl to get an owning user namespace for ns file descriptor") Documentation/userspace-api/ioctl/ioctl-number.rst | 1 + 1 file changed, 1 insertion(+) --- lnx-511-rc7.orig/Documentation/userspace-api/ioctl/ioctl-number.rst +++ lnx-511-rc7/Documentation/userspace-api/ioctl/ioctl-number.rst @@ -344,6 +344,7 @@ Code Seq# Include File 0xB5 00-0F uapi/linux/rpmsg.h <mailto:linux-remoteproc@xxxxxxxxxxxxxxx> 0xB6 all linux/fpga-dfl.h 0xB7 all uapi/linux/remoteproc_cdev.h <mailto:linux-remoteproc@xxxxxxxxxxxxxxx> +0xB7 all uapi/linux/nsfs.h <mailto:Andrei Vagin <avagin@xxxxxxxxxx>> 0xC0 00-0F linux/usb/iowarrior.h 0xCA 00-0F uapi/misc/cxl.h 0xCA 10-2F uapi/misc/ocxl.h