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    SubjectRe: [PATCH 20/33] readahead: initial method - expected read size
    Wu Fengguang <wfg@mail.ustc.edu.cn> 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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