diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 2fbd9010513e..08cb215c3729 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -7523,6 +7523,9 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work,
 			info->UserBlocksAvail = cpu_to_le64(stfs.f_bavail);
 			info->TotalFileNodes = cpu_to_le64(stfs.f_files);
 			info->FreeFileNodes = cpu_to_le64(stfs.f_ffree);
+			info->FileSysIdentifier =
+				cpu_to_le64((u64)(u32)stfs.f_fsid.val[1] << 32 |
+					    (u32)stfs.f_fsid.val[0]);
 			rsp->OutputBufferLength = cpu_to_le32(56);
 			fixed_len = 56;
 		}