libcephfs: Option to write + fsync via ceph_ll_nonblocking_readv_writev

Signed-off-by: Frank S. Filz <[email protected]>

Author: ffilz

src/include/cephfs/libcephfs.h

@@ -127,6 +127,8 @@ struct ceph_ll_io_info {
   int64_t off;
   int64_t result;
   bool write;
+  bool fsync;
+  bool syncdataonly;
 };
 
 /* setattr mask bits (up to an int in size) */

src/libcephfs.cc

@@ -2042,7 +2042,8 @@ extern "C" int64_t ceph_ll_nonblocking_readv_writev(class ceph_mount_info *cmoun
 
   return (cmount->get_client()->ll_preadv_pwritev(
 			io_info->fh, io_info->iov, io_info->iovcnt,
-			io_info->off, io_info->write, onfinish, &onfinish->bl));
+			io_info->off, io_info->write, onfinish, &onfinish->bl,
+			io_info->fsync, io_info->syncdataonly));
 }
 
 extern "C" int ceph_ll_close(class ceph_mount_info *cmount, Fh* fh)