Christoph Hellwig <hch@xxxxxx> writes:
> From: Milosz Tanski <milosz@xxxxxxxxx>
>
> New syscalls that take an flag argument. This change does not add any
> specific flags.
So, it looks like file systems that don't implement read_iter/write_iter
won't get the flags argument passed along. I don't think that's a big
deal, as such file systems seem to be in-memory file systems, but I
think it warrants mention in the changelog.
Also, I think you added a stray newline below:
> +static long do_compat_pwritev64(unsigned long fd,
> const struct compat_iovec __user *vec,
> - unsigned long vlen, loff_t pos)
> + unsigned long vlen, loff_t pos, int flags)
> {
> struct fd f;
> ssize_t ret;
>
> if (pos < 0)
> return -EINVAL;
> +
> f = fdget(fd);
> if (!f.file)
> return -EBADF;
> ret = -ESPIPE;
> if (f.file->f_mode & FMODE_PWRITE)
> - ret = compat_writev(f.file, vec, vlen, &pos);
> + ret = compat_writev(f.file, vec, vlen, &pos, flags);
> fdput(f);
> return ret;
> }
Cheers,
Jeff
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