Properly compute the size of a directory

When computing the size of a directory that is being created,
make sure to include the size of the null entry at the end of
the list of entries in that directory.

Change-Id: I7deb05a170911cd0cc8517600c9747f64915606f

1 files changed, 5 insertions, 0 deletions

diff --git a/ext4_utils/contents.c b/ext4_utils/contents.c
index ba7e05f3..c7607ab1 100644
--- a/ext4_utils/contents.c
+++ b/ext4_utils/contents.c
@@ -39,6 +39,11 @@ static u32 dentry_size(u32 entries, struct dentry *dentries)
 		len += dentry_len;
 	}
 
+	/* include size of the dentry used to pad until the end of the block */
+	if (len % info.block_size + 8 > info.block_size)
+		len += info.block_size - (len % info.block_size);
+	len += 8;
+
 	return len;
 }