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

[Bart V. A. <bva...@ac...>]

On 6/11/19 10:35 PM, Göran Bruns wrote:
> No I am not aware of this. Read-ahead should work with block-io also but
> page cache not as far as I know.

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.

Bart.