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Howlett" , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , "Matthew Wilcox (Oracle)" , Shuah Khan , Jonathan Corbet , Alexander Viro , Christian Brauner , Jan Kara , seanjc@google.com, rientjes@google.com, rick.p.edgecombe@intel.com, yan.y.zhao@intel.com, fvdl@google.com, jthoughton@google.com, vannapurve@google.com, shivankg@amd.com, michael.roth@amd.com, pratyush@kernel.org, pasha.tatashin@soleen.com, kalyazin@amazon.com, tabba@google.com, Vlastimil Babka Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org, Ackerley Tng Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Extend kvm_syscalls.h to wrap fstat() to assert success. This will be used in the next patch. Signed-off-by: Ackerley Tng --- tools/testing/selftests/kvm/guest_memfd_test.c | 15 +++++---------- tools/testing/selftests/kvm/include/kvm_syscalls.h | 2 ++ 2 files changed, 7 insertions(+), 10 deletions(-) diff --git a/tools/testing/selftests/kvm/guest_memfd_test.c b/tools/testing= /selftests/kvm/guest_memfd_test.c index ec7644aae999d..638906298ed73 100644 --- a/tools/testing/selftests/kvm/guest_memfd_test.c +++ b/tools/testing/selftests/kvm/guest_memfd_test.c @@ -270,10 +270,8 @@ static void test_mmap_not_supported(int fd, size_t tot= al_size) static void test_file_size(int fd, size_t total_size) { struct stat sb; - int ret; =20 - ret =3D fstat(fd, &sb); - TEST_ASSERT(!ret, "fstat should succeed"); + kvm_fstat(fd, &sb); TEST_ASSERT_EQ(sb.st_size, total_size); TEST_ASSERT_EQ(sb.st_blksize, page_size); } @@ -361,25 +359,22 @@ static void test_create_guest_memfd_invalid_sizes(str= uct kvm_vm *vm, =20 static void test_create_guest_memfd_multiple(struct kvm_vm *vm) { - int fd1, fd2, ret; + int fd1, fd2; struct stat st1, st2; =20 fd1 =3D __vm_create_guest_memfd(vm, page_size, 0); TEST_ASSERT(fd1 !=3D -1, "memfd creation should succeed"); =20 - ret =3D fstat(fd1, &st1); - TEST_ASSERT(ret !=3D -1, "memfd fstat should succeed"); + kvm_fstat(fd1, &st1); TEST_ASSERT(st1.st_size =3D=3D page_size, "memfd st_size should match req= uested size"); =20 fd2 =3D __vm_create_guest_memfd(vm, page_size * 2, 0); TEST_ASSERT(fd2 !=3D -1, "memfd creation should succeed"); =20 - ret =3D fstat(fd2, &st2); - TEST_ASSERT(ret !=3D -1, "memfd fstat should succeed"); + kvm_fstat(fd2, &st2); TEST_ASSERT(st2.st_size =3D=3D page_size * 2, "second memfd st_size shoul= d match requested size"); =20 - ret =3D fstat(fd1, &st1); - TEST_ASSERT(ret !=3D -1, "memfd fstat should succeed"); + kvm_fstat(fd1, &st1); TEST_ASSERT(st1.st_size =3D=3D page_size, "first memfd st_size should sti= ll match requested size"); TEST_ASSERT(st1.st_ino !=3D st2.st_ino, "different memfd should have diff= erent inode numbers"); =20 diff --git a/tools/testing/selftests/kvm/include/kvm_syscalls.h b/tools/tes= ting/selftests/kvm/include/kvm_syscalls.h index 843c9904c46f6..2266c06347f5d 100644 --- a/tools/testing/selftests/kvm/include/kvm_syscalls.h +++ b/tools/testing/selftests/kvm/include/kvm_syscalls.h @@ -2,6 +2,7 @@ #ifndef SELFTEST_KVM_SYSCALLS_H #define SELFTEST_KVM_SYSCALLS_H =20 +#include #include =20 #define MAP_ARGS0(m,...) @@ -78,5 +79,6 @@ __KVM_SYSCALL_DEFINE(close, 1, int, fd); __KVM_SYSCALL_DEFINE(fallocate, 4, int, fd, int, mode, loff_t, offset, lof= f_t, len); __KVM_SYSCALL_DEFINE(ftruncate, 2, unsigned int, fd, off_t, length); __KVM_SYSCALL_DEFINE(madvise, 3, void *, addr, size_t, length, int, advice= ); +__KVM_SYSCALL_DEFINE(fstat, 2, int, fd, struct stat *, buf); =20 #endif /* SELFTEST_KVM_SYSCALLS_H */ --=20 2.53.0.473.g4a7958ca14-goog