Fixed tests on 32 bit systems - just reduce sizes of data for large tests

Makefile

@@ -40,6 +40,7 @@ all: ceph-config
 	patch -Np1 -d ceph-15.2.4 < ceph-15.2.4-fix_ceph_thread_timeout.patch
 	if [ `uname -m` = 'armv7l' ] ; then \
 	    patch -Np1 -d ceph-15.2.4 < ceph-15.2.4-arm32_fix.patch ; \
+	    patch -Np1 -d ceph-15.2.4 < ceph-15.2.4-arm32_fix_tests.patch ; \
 	fi
 	cd ceph-15.2.4 && ./do_cmake.sh -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_INSTALL_SYSCONFDIR=/etc -DCMAKE_INSTALL_LIBEXECDIR=/lib -DWITH_SPDK=OFF -DWITH_RDMA=OFF -DWITH_RADOSGW_AMQP_ENDPOINT=OFF -DWITH_PYTHON2=OFF -DWITH_PYTHON3=ON -DALLOCATOR=tcmalloc_minimal
 	$(MAKE) -C ceph-15.2.4/build npm_config_cache=/build/.npm NODE_OPTIONS="--max-old-space-size=3072"

ceph-15.2.4-arm32_fix_tests.patch

+diff -uNr ceph-15.2.4/src/test/objectstore/test_bdev.cc ceph-15.2.4-arm32_fix_tests/src/test/objectstore/test_bdev.cc
+--- ceph-15.2.4/src/test/objectstore/test_bdev.cc	2020-07-01 01:10:51.000000000 +0930
++++ ceph-15.2.4-arm32_fix_tests/src/test/objectstore/test_bdev.cc	2020-11-17 15:40:57.203039097 +1030
+@@ -54,8 +54,8 @@
+     BlockDevice::create(g_ceph_context, bdev.path, NULL, NULL,
+       [](void* handle, void* aio) {}, NULL));
+   bufferlist bl;
+-  // writing a bit less than 4GB
+-  for (auto i = 0; i < 4000; i++) {
++  // writing a bit less than 1GB
++  for (auto i = 0; i < 1000; i++) {
+     string s(1048576, 'a' + (i % 28));
+     bl.append(s);
+   }
+diff -uNr ceph-15.2.4/src/test/objectstore/test_bluefs.cc ceph-15.2.4-arm32_fix_tests/src/test/objectstore/test_bluefs.cc
+--- ceph-15.2.4/src/test/objectstore/test_bluefs.cc	2020-07-01 01:10:51.000000000 +0930
++++ ceph-15.2.4-arm32_fix_tests/src/test/objectstore/test_bluefs.cc	2020-11-17 15:41:32.066147015 +1030
+@@ -206,7 +206,7 @@
+ }
+ 
+ TEST(BlueFS, very_large_write) {
+-  // we'll write a ~3G file, so allocate more than that for the whole fs
++  // we'll write a ~1G file, so allocate more than that for the whole fs
+   uint64_t size = 1048576 * 1024 * 8ull;
+   TempBdev bdev{size};
+   BlueFS fs(g_ceph_context);
+@@ -228,7 +228,7 @@
+     BlueFS::FileWriter *h;
+     ASSERT_EQ(0, fs.mkdir("dir"));
+     ASSERT_EQ(0, fs.open_for_write("dir", "bigfile", &h, false));
+-    for (unsigned i = 0; i < 3*1024*1048576ull / sizeof(buf); ++i) {
++    for (unsigned i = 0; i < 1*1024*1048576ull / sizeof(buf); ++i) {
+       h->append(buf, sizeof(buf));
+     }
+     fs.fsync(h);
+@@ -239,7 +239,7 @@
+     ASSERT_EQ(0, fs.open_for_read("dir", "bigfile", &h));
+     bufferlist bl;
+     BlueFS::FileReaderBuffer readbuf(10485760);
+-    for (unsigned i = 0; i < 3*1024*1048576ull / sizeof(buf); ++i) {
++    for (unsigned i = 0; i < 1*1024*1048576ull / sizeof(buf); ++i) {
+       bl.clear();
+       fs.read(h, &readbuf, i * sizeof(buf), sizeof(buf), &bl, NULL);
+       int r = memcmp(buf, bl.c_str(), sizeof(buf));