Messages in this thread | | | Date | Thu, 29 Dec 2005 10:06:15 +0200 | From | Pekka Enberg <> | Subject | Re: [RFC][fat] use mpage_readpage when cluster size is page-alignment |
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Hi,
On 12/29/05, cai <junjiec@gmail.com> 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?
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