ext4: trigger the lazy inode table initialization after resize

After we have finished extending the file system, we need to trigger a
the lazy inode table thread to zero out the inode tables.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 9 insertions, 0 deletions

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 5747f52f7c72..4784ac244fc6 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -313,6 +313,9 @@ mext_out:
                 if (err == 0)
                         err = err2;
                 mnt_drop_write_file(filp);
+                if (!err && ext4_has_group_desc_csum(sb) &&
+                    test_opt(sb, INIT_INODE_TABLE))
+                        err = ext4_register_li_request(sb, input.group);
 group_add_out:
                 ext4_resize_end(sb);
                 return err;
@@ -358,6 +361,7 @@ group_add_out:
                 ext4_fsblk_t n_blocks_count;
                 struct super_block *sb = inode->i_sb;
                 int err = 0, err2 = 0;
+                ext4_group_t o_group = EXT4_SB(sb)->s_groups_count;
 
                 if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
                                EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
@@ -388,6 +392,11 @@ group_add_out:
                 if (err == 0)
                         err = err2;
                 mnt_drop_write_file(filp);
+                if (!err && (o_group > EXT4_SB(sb)->s_groups_count) &&
+                    ext4_has_group_desc_csum(sb) &&
+                    test_opt(sb, INIT_INODE_TABLE))
+                        err = ext4_register_li_request(sb, o_group);
+
 resizefs_out:
                 ext4_resize_end(sb);
                 return err;