selftests/memfd: add tests for F_SEAL_FUTURE_WRITE seal

Add tests to verify sealing memfds with the F_SEAL_FUTURE_WRITE works as
expected.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Joel Fernandes (Google) <[email protected]>
Reviewed-by: Shuah Khan <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Jann Horn <[email protected]>
Cc: J. Bruce Fields <[email protected]>
Cc: Jeff Layton <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Marc-Andr Lureau <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Mike Kravetz <[email protected]>
Cc: Minchan Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions