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>
9 years ago · aa08e58e3a
parent f570ded508
commit aa08e58e3a
1 changed files with 2 additions and 1 deletions
--- a/cryptfs.c
+++ b/cryptfs.c
@ -2371,7 +2371,8 @@ static int encrypt_groups(struct encryptGroupsData* data)
        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) {