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linux/tools/testing/selftests/memfd/run_fuse_test.sh

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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 14:25:34 -07:00
#!/bin/sh
if test -d "./mnt" ; then
fusermount -u ./mnt
rmdir ./mnt
fi
set -e
mkdir mnt
./fuse_mnt ./mnt
./fuse_test ./mnt/memfd
fusermount -u ./mnt
rmdir ./mnt
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