--- /dev/null
+# Note this test is unlikely to exercise the code as expected in the future:
+# "It's too tricky to arrange inodes in session->caps. we don't know if it
+# still works in the future." -Zheng
+
+overrides:
+ ceph:
+ log-whitelist:
+ - MDS cache is too large
+ - \(MDS_CACHE_OVERSIZED\)
+tasks:
+- exec:
+ mon.a:
+ - "ceph tell mds.* config set mds_max_ratio_caps_per_client 1"
+ - "ceph tell mds.* config set mds_min_caps_per_client 1"
+- background_exec:
+ mon.a:
+ - "sleep 30 && ceph tell mds.* config set mds_cache_memory_limit 1"
+- exec:
+ client.0:
+ - ceph_test_trim_caps
-# unittest_mds_types
-add_executable(unittest_mds_types
- mds_types.cc
+if(${WITH_CEPHFS})
+
+ # unittest_mds_types
+ add_executable(unittest_mds_types
+ mds_types.cc
+ )
+ add_ceph_unittest(unittest_mds_types ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/unittest_mds_types)
+ target_link_libraries(unittest_mds_types global)
+
+ add_executable(ceph_test_trim_caps
+ test_trim_caps.cc
)
-add_ceph_unittest(unittest_mds_types ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/unittest_mds_types)
-target_link_libraries(unittest_mds_types global)
+ target_link_libraries(ceph_test_trim_caps ceph-common cephfs)
+ install(TARGETS ceph_test_trim_caps DESTINATION ${CMAKE_INSTALL_BINDIR})
+
+endif(${WITH_CEPHFS})
--- /dev/null
+#define _FILE_OFFSET_BITS 64
+#include <features.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <assert.h>
+#include <unistd.h>
+#include <include/cephfs/libcephfs.h>
+
+int main(int argc, char *argv[])
+{
+ char buf;
+ int pipefd[2];
+ int rc = pipe(pipefd);
+ assert(rc >= 0);
+
+ pid_t pid = fork();
+ assert(pid >= 0);
+ if (pid == 0)
+ close(pipefd[1]);
+ else
+ close(pipefd[0]);
+
+ struct ceph_mount_info *cmount = NULL;
+
+ ceph_create(&cmount, "admin");
+ ceph_conf_read_file(cmount, NULL);
+
+ int ret = ceph_mount(cmount, NULL);
+ assert(ret >= 0);
+
+ if (pid == 0) {
+ ret = read(pipefd[0], &buf, 1);
+ assert(ret == 1);
+
+ ret = ceph_rename(cmount, "1", "3");
+ assert(ret >= 0);
+
+ ret = ceph_rename(cmount, "2", "1");
+ assert(ret >= 0);
+
+ ceph_unmount(cmount);
+ printf("child exits\n");
+ } else {
+ ret = ceph_mkdirs(cmount, "1/2", 0755);
+ assert(ret >= 0);
+
+ struct ceph_statx stx;
+ ret = ceph_statx(cmount, "1", &stx, 0, 0);
+ assert(ret >= 0);
+ uint64_t orig_ino = stx.stx_ino;
+
+
+ ret = ceph_mkdir(cmount, "2", 0755);
+ assert(ret >= 0);
+
+ ret = write(pipefd[1], &buf, 1);
+ assert(ret == 1);
+
+ int wstatus;
+ ret = waitpid(pid, &wstatus, 0);
+ assert(ret >= 0);
+ assert(wstatus == 0);
+
+ // make origin '1' no parent dentry
+ ret = ceph_statx(cmount, "1", &stx, 0, 0);
+ assert(ret >= 0);
+ assert(orig_ino != stx.stx_ino);
+
+ // move root inode's cap_item to tail of session->caps
+ ret = ceph_statx(cmount, ".", &stx, 0, 0);
+ assert(ret >= 0);
+
+ printf("waiting for crash\n");
+ sleep(60);
+ }
+ return 0;
+}
projects / ceph.git / commitdiff