compat: move FS_IOC_RESVSP_32 handling to fs/ioctl.c

... and lose the ridiculous games with compat_alloc_user_space()
there.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
3 files changed