nilfs_read_super_root_block 241 fs/nilfs2/segment.h extern int nilfs_read_super_root_block(struct the_nilfs *, sector_t, nilfs_read_super_root_block 107 fs/nilfs2/the_nilfs.c err = nilfs_read_super_root_block(nilfs, sr_block, &bh_sr, 1);