Get rid of the 'group' parameter of ext4_trim_extent as we can get
it from the 'e4b'.
Reviewed-by: NAndreas Dilger <adilger@dilger.ca>
Signed-off-by: NWang Jianchao <wangjianchao@kuaishou.com>
Reviewed-by: NJan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20210724074124.25731-2-jianchao.wan9@gmail.comSigned-off-by: NTheodore Ts'o <tytso@mit.edu>