Re: [Scst-devel] Strange performance behavior on top of encrypted raid

[Göran B. <goe...@gm...>]

Am 12.06.2019 um 15:53 schrieb Bart Van Assche:
> I think it's the other way around: read-ahead occurs when file I/O is
> used but not when block I/O is used. See also mm/readahead.c in the
> Linux kernel source code tree.
>
You're right, readahead is only used with file io. Well, I switched to
file io by now, to get at least some performance but it does not feel right.

Göran