ext4: set bg_itable_unused when resizing

tytso · tytso · commit 93f905264340 · 2012-09-12T14:32:42.000-04:00
Set bg_itable_unused for file systems that have uninit_bg enabled.
This will speed up the first e2fsck run after the file system is
resized.

Signed-off-by: "Theodore Ts'o" &lt;tytso@mit.edu&gt;
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
@@ -1268,6 +1268,9 @@ static int ext4_setup_new_descs(handle_t *handle, struct super_block *sb,
 		ext4_free_group_clusters_set(sb, gdp,
 					     EXT4_B2C(sbi, group_data->free_blocks_count));
 		ext4_free_inodes_set(sb, gdp, EXT4_INODES_PER_GROUP(sb));
+		if (ext4_has_group_desc_csum(sb))
+			ext4_itable_unused_set(sb, gdp,
+					       EXT4_INODES_PER_GROUP(sb));
 		gdp->bg_flags = cpu_to_le16(*bg_flags);
 		ext4_group_desc_csum_set(sb, group, gdp);
 
