selftests/kvm/guest_memfd_test.c

62 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE, 0, total_size);
63 	TEST_ASSERT(!ret, "fallocate with aligned offset and size should succeed");
65 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,
67 	TEST_ASSERT(ret, "fallocate with unaligned offset should fail");
69 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE, total_size, page_size);
70 	TEST_ASSERT(ret, "fallocate beginning at total_size should fail");
72 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE, total_size + page_size, page_size);
73 	TEST_ASSERT(ret, "fallocate beginning after total_size should fail");
75 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,
77 	TEST_ASSERT(!ret, "fallocate(PUNCH_HOLE) at total_size should succeed");
79 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,
81 	TEST_ASSERT(!ret, "fallocate(PUNCH_HOLE) after total_size should succeed");
83 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,
85 	TEST_ASSERT(ret, "fallocate with unaligned size should fail");
87 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,
89 	TEST_ASSERT(!ret, "fallocate(PUNCH_HOLE) with aligned offset and size should succeed");
91 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE, page_size, page_size);
92 	TEST_ASSERT(!ret, "fallocate to restore punched hole should succeed");
117 		ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,