Re: [PATCH] loop: Only change blocksize when needed.

From: Chaitanya Kulkarni
Date: Tue Mar 10 2020 - 16:23:50 EST


Logically this is a right thing to do, but I wonder how much speedup
you are getting with these improvements ?
It will be great if you have some numbers so we all know the speedup.

Irrespective of that, this looks good to me.

Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>

On 03/10/2020 06:17 AM, Martijn Coenen wrote:
> Return early in loop_set_block_size() if the requested block size is
> identical to the one we already have; this avoids expensive calls to
> freeze the block queue.
>
> Signed-off-by: Martijn Coenen<maco@xxxxxxxxxxx>