linux-ext4 - Re: [PATCH 2/2] ext4: correct the cache_nr in tracepoint ext4_es_shrink

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Message-ID: <YMutxd+XRqLnvnrj@mit.edu>
Date:   Thu, 17 Jun 2021 16:17:09 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Zhang Yi <yi.zhang@...wei.com>
Cc:     linux-ext4@...r.kernel.org, adilger.kernel@...ger.ca, jack@...e.cz,
        yukuai3@...wei.com
Subject: Re: [PATCH 2/2] ext4: correct the cache_nr in tracepoint
 ext4_es_shrink_exit

On Sat, May 22, 2021 at 06:30:45PM +0800, Zhang Yi wrote:
> The cache_cnt parameter of tracepoint ext4_es_shrink_exit means the
> remaining cache count after shrink, but now it is the cache count before
> shrink, fix it by read sbi->s_extent_cache_cnt again.
> 
> Fixes: 1ab6c4997e04 ("fs: convert fs shrinkers to new scan/count API")
> Cc: stable@...r.kernel.org # 3.12+
> Signed-off-by: Zhang Yi <yi.zhang@...wei.com>

Thanks, applied.

				- Ted