Wu Fengguang <[email protected]> wrote:
>
> backing_dev_info.ra_expect_bytes is dynamicly updated to be the expected
> read pages on start-of-file. It allows the initial readahead to be more
> aggressive and hence efficient.
>
>
> +void fastcall readahead_close(struct file *file)
eww, fastcall.
> +{
> + struct inode *inode = file->f_dentry->d_inode;
> + struct address_space *mapping = inode->i_mapping;
> + struct backing_dev_info *bdi = mapping->backing_dev_info;
> + unsigned long pos = file->f_pos;
f_pos is loff_t.
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