On Mon, 10 Jan 2000, Peix Fabrice wrote:
> In struct file_operations read and write are define as follow
> ssize_t (*read) (struct file *fops, char *buf, size_t count, loff_t
> *ppos);
> ssize_t (*write) (struct file *fops, const char *buf, size_t count,
> loff_t *ppos);
>
> Just a little question, in which case the value of *ppos is different
> of fops->f_pos.
pread()/pwrite() syscalls. And for writing a shared mapping back
to its backing store, if you used "generic_file_mmap" to
implement your mmap() operation.
Regards
Ingo Oeser
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