linux-kernel - Re: [PATCH v2] f2fs: introduce discard

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Message-ID: <ae2ff44a-8165-b8c6-8094-c5d337c5f68d@infradead.org>
Date:   Wed, 1 Mar 2023 22:09:00 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Yangtao Li <frank.li@...o.com>, jaegeuk@...nel.org, chao@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] f2fs: introduce discard_cpuset mount opt



On 3/1/23 21:51, Yangtao Li wrote:
> diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
> index 2055e72871fe..dc005f3b784a 100644
> --- a/Documentation/filesystems/f2fs.rst
> +++ b/Documentation/filesystems/f2fs.rst
> @@ -351,6 +351,8 @@ age_extent_cache	 Enable an age extent cache based on rb-tree. It records
>  			 data block update frequency of the extent per inode, in
>  			 order to provide better temperature hints for data block
>  			 allocation.
> +discard_cpuset=%u		 Set the cpumask of dicard thread, it makes the discard

				                 of discard

> +			 process run faster on a more powerful CPU, or not.
>  ======================== ============================================================

-- 
~Randy