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mirror_ubuntu-kernels/tools/testing/selftests/memfd
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David Herrmann 87b2d44026 selftests: add memfd/sealing page-pinning tests 
Setting SEAL_WRITE is not possible if there're pending GUP users. This
commit adds selftests for memfd+sealing that use FUSE to create pending
page-references. FUSE is very helpful here in that it allows us to delay
direct-IO operations for an arbitrary amount of time. This way, we can
force the kernel to pin pages and then run our normal selftests.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Ryan Lortie <desrt@desrt.ca>
Cc: Lennart Poettering <lennart@poettering.net>
Cc: Daniel Mack <zonque@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-08 15:57:31 -07:00
..
.gitignore selftests: add memfd/sealing page-pinning tests 2014-08-08 15:57:31 -07:00
fuse_mnt.c selftests: add memfd/sealing page-pinning tests 2014-08-08 15:57:31 -07:00
fuse_test.c selftests: add memfd/sealing page-pinning tests 2014-08-08 15:57:31 -07:00
Makefile selftests: add memfd/sealing page-pinning tests 2014-08-08 15:57:31 -07:00
memfd_test.c
run_fuse_test.sh selftests: add memfd/sealing page-pinning tests 2014-08-08 15:57:31 -07:00