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Date:   Sat, 23 Apr 2022 14:01:41 +0000
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Subject: Re: [PATCH v4 2/4] selftests: cgroup: return -errno from
 cg_read()/cg_write() on failure
From:   Shakeel Butt <shakeelb@google.com>
To:     Yosry Ahmed <yosryahmed@google.com>
Cc:     Johannes Weiner <hannes@cmpxchg.org>,
        Michal Hocko <mhocko@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Roman Gushchin <roman.gushchin@linux.dev>,
        David Rientjes <rientjes@google.com>,
        Tejun Heo <tj@kernel.org>, Zefan Li <lizefan.x@bytedance.com>,
        Jonathan Corbet <corbet@lwn.net>,
        Shuah Khan <shuah@kernel.org>, Yu Zhao <yuzhao@google.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Wei Xu <weixugc@google.com>, Greg Thelen <gthelen@google.com>,
        Chen Wandun <chenwandun@huawei.com>,
        Vaibhav Jain <vaibhav@linux.ibm.com>,
        "Michal =?utf-8?Q?Koutn=C3=BD?=" <mkoutny@suse.com>,
        Tim Chen <tim.c.chen@linux.intel.com>,
        Dan Schatzberg <schatzberg.dan@gmail.com>,
        cgroups@vger.kernel.org, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        linux-kselftest@vger.kernel.org
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On Thu, Apr 21, 2022 at 11:44:24PM +0000, Yosry Ahmed wrote:
> Currently, cg_read()/cg_write() returns 0 on success and -1 on failure.
> Modify them to return the -errno on failure.
> 
> Signed-off-by: Yosry Ahmed <yosryahmed@google.com>

Acked-by: Shakeel Butt <shakeelb@google.com>