cachevol: use writethrough for partial removal

Instead of using 'noflush' option, switch cache_mode into WRITETHROUGH
which does not require flushing, when user confirmed he does not
want flushing for WRITEBACK (because of (partially) missing caching PV)

diff --git a/tools/lvconvert.c b/tools/lvconvert.c
index 14663e8df3a1bce629741d3a35ac8d8de96e57e7..f875ac7ad75aff43fe0fe08f3e37b0f8654e9edf 100644 (file)
--- a/tools/lvconvert.c
+++ b/tools/lvconvert.c
@@ -1875,7 +1875,8 @@ static int _lvconvert_split_and_keep_cachevol(struct cmd_context *cmd,
                        return 0;
                }
 
-               noflush = 1;
+               /* Switch internally to WRITETHROUGH which does not require flushing */
+               cache_seg->cache_mode = CACHE_MODE_WRITETHROUGH;
        }
                                
        if (!lv_detach_cache_vol(lv, noflush))