commit aa08e58e3a5d66bf3714c537336337b766458d9f
author liminghao <liminghao@xiaomi.com> Wed Jan 06 10:30:49 2016 +0800
committer liminghao <liminghao@xiaomi.com> Wed Jan 06 15:20:38 2016 +0800
tree 2d49a29b0b8d40a39176f46de0e2b9643bc2795a
parent f570ded508aacc8130a2fd8f1130a51991202d9d

cryptfs: Skip to encrtypt unused blocks into a block group which uninitialize block bitmap .

Bug: 198288

Change-Id: Iaa1a14fd916ddec8dc1a4be18d49732ebcba6884
Signed-off-by: liminghao <liminghao@xiaomi.com>

cryptfs.c

diff --git a/cryptfs.c b/cryptfs.c
index 1f70847..f5a065a 100644
--- a/cryptfs.c
+++ b/cryptfs.c
@@ -2371,7 +2371,8 @@
         data->count = 0;
 
         for (block = 0; block < block_count; block++) {
-            int used = bitmap_get_bit(block_bitmap, block);
+            int used = (aux_info.bg_desc[i].bg_flags & EXT4_BG_BLOCK_UNINIT) ?
+                    0 : bitmap_get_bit(block_bitmap, block);
             update_progress(data, used);
             if (used) {
                 if (data->count == 0) {