EXT4_MOUNT_DELALLOC 1695 fs/ext4/super.c {Opt_delalloc, EXT4_MOUNT_DELALLOC, EXT4_MOUNT_DELALLOC 1697 fs/ext4/super.c {Opt_nodelalloc, EXT4_MOUNT_DELALLOC, EXT4_MOUNT_DELALLOC 1872 fs/ext4/super.c if (m->mount_opt & EXT4_MOUNT_DELALLOC) {