jfs_sb             64 fs/jfs/file.c  			struct jfs_sb_info *jfs_sb = JFS_SBI(inode->i_sb);
jfs_sb             65 fs/jfs/file.c  			ji->active_ag = BLKTOAG(addressPXD(&ji->ixpxd), jfs_sb);
jfs_sb             66 fs/jfs/file.c  			atomic_inc(&jfs_sb->bmap->db_active[ji->active_ag]);