btrfs = false;
}
+ bool have_syncfs = false;
#ifdef HAVE_SYS_SYNCFS
if (syncfs(fd) == 0) {
dout(0) << "mount syncfs(2) syscall fully supported (by glibc and kernel)" << dendl;
+ have_syncfs = true;
} else {
dout(0) << "mount syncfs(2) syscall supported by glibc BUT NOT the kernel" << dendl;
- } else
+ }
+#else
+ dout(0) << "mount syncfs(2) syscall not support by glibc" << dendl;
#endif
- {
+ if (!have_syncfs) {
if (btrfs) {
- dout(0) << "mount syncfs(2) syscall not support by glibc, but the btrfs SYNC ioctl will suffice" << dendl;
+ dout(0) << "mount no syncfs(2), but the btrfs SYNC ioctl will suffice" << dendl;
} else if (m_filestore_fsync_flushes_journal_data) {
- dout(0) << "mount syncfs(2) syscall not support by glibc, but 'filestore fsync flushes journal data = true', so fsync will suffice." << dendl;
+ dout(0) << "mount no syncfs(2), but 'filestore fsync flushes journal data = true', so fsync will suffice." << dendl;
} else {
- dout(0) << "mount syncfs(2) syscall not support by glibc; must use sync(2)." << dendl;
+ dout(0) << "mount no syncfs(2), must use sync(2)." << dendl;
dout(0) << "mount WARNING: multiple ceph-osd daemons on the same host will be slow" << dendl;
}
}
-
TEMP_FAILURE_RETRY(::close(fd));
return 0;
}