ra_blks          4668 fs/ext4/inode.c 			__u32 ra_blks = EXT4_SB(sb)->s_inode_readahead_blks;
ra_blks          4672 fs/ext4/inode.c 			b = block & ~((ext4_fsblk_t) ra_blks - 1);
ra_blks          4675 fs/ext4/inode.c 			end = b + ra_blks;