Re: [RFC][fat] use mpage_readpage when cluster size is page-alignment
From: Pekka Enberg
Date: Thu Dec 29 2005 - 03:05:12 EST
Hi,
On 12/29/05, cai <junjiec@xxxxxxxxx> wrote:
> it should work, but maybe some performance loses if the
> cluster size is not page-alignment, for example, 4 sector/cluster
> in a 4KB/page system.
> because it will fall back to the block_read_full_page when
> non-adjacent block found in do_mpage_readpage, i think.
> the same applies to mpage_readpages too.
I am not sure I am following you. Shouldn't do_mpage_readpage work for
all adjacent blocks regardless of whether block size is page-aligned
or not? What's is the performance problem you're thinking of?
Pekka
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/