[PATCH] Documentation: ioctl: add entry for nsfs.h

[Randy Dunlap]

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