gfd_fn 58 fs/ext4/fsmap.c int (*gfd_fn)(struct super_block *sb, gfd_fn 644 fs/ext4/fsmap.c handlers[0].gfd_fn = ext4_getfsmap_datadev; gfd_fn 648 fs/ext4/fsmap.c handlers[1].gfd_fn = ext4_getfsmap_logdev; gfd_fn 683 fs/ext4/fsmap.c if (!handlers[i].gfd_fn) gfd_fn 705 fs/ext4/fsmap.c error = handlers[i].gfd_fn(sb, dkeys, &info);