[lustre-devel] [PATCH 4/4] staging: lustre: obdclass: change object lookup to no wait mode

Dan Carpenter dan.carpenter at oracle.com
Tue May 8 04:45:00 PDT 2018


>  	/*
>  	 * Allocate new object. This may result in rather complicated
>  	 * operations, including fld queries, inode loading, etc.
>  	 */
>  	o = lu_object_alloc(env, dev, f, conf);
> -	if (IS_ERR(o))
> +	if (unlikely(IS_ERR(o)))
>  		return o;
>  

This is an unrelated and totally pointless.  likely/unlikely annotations
hurt readability, and they should only be added if it's something which
is going to show up in benchmarking.  lu_object_alloc() is already too
slow for the unlikely() to make a difference and anyway IS_ERR() has an
unlikely built in so it's duplicative...

Anyway, I understand that Intel has been ignoring kernel.org instead of
sending forwarding their patches properly so you're doing a difficult
and thankless job...  Thanks for that.  I'm sure it's frustrating to
look at these patches for you as well.

regards,
dan carpenter



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