Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Mon, 1 May 2023 20:53:35 -0400
From:   Kent Overstreet <kent.overstreet@linux.dev>
To:     Andy Shevchenko <andy.shevchenko@gmail.com>
Cc:     Suren Baghdasaryan <surenb@google.com>, akpm@linux-foundation.org,
        mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org,
        roman.gushchin@linux.dev, mgorman@suse.de, willy@infradead.org,
        liam.howlett@oracle.com, corbet@lwn.net, void@manifault.com,
        peterz@infradead.org, juri.lelli@redhat.com, ldufour@linux.ibm.com,
        catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de,
        tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com,
        x86@kernel.org, peterx@redhat.com, david@redhat.com,
        axboe@kernel.dk, mcgrof@kernel.org, masahiroy@kernel.org,
        nathan@kernel.org, dennis@kernel.org, tj@kernel.org,
        muchun.song@linux.dev, rppt@kernel.org, paulmck@kernel.org,
        pasha.tatashin@soleen.com, yosryahmed@google.com,
        yuzhao@google.com, dhowells@redhat.com, hughd@google.com,
        andreyknvl@gmail.com, keescook@chromium.org,
        ndesaulniers@google.com, gregkh@linuxfoundation.org,
        ebiggers@google.com, ytcoode@gmail.com, vincent.guittot@linaro.org,
        dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com,
        bristot@redhat.com, vschneid@redhat.com, cl@linux.com,
        penberg@kernel.org, iamjoonsoo.kim@lge.com, 42.hyeyoo@gmail.com,
        glider@google.com, elver@google.com, dvyukov@google.com,
        shakeelb@google.com, songmuchun@bytedance.com, jbaron@akamai.com,
        rientjes@google.com, minchan@google.com, kaleshsingh@google.com,
        kernel-team@android.com, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, iommu@lists.linux.dev,
        linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-mm@kvack.org, linux-modules@vger.kernel.org,
        kasan-dev@googlegroups.com, cgroups@vger.kernel.org,
        Andy Shevchenko <andy@kernel.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        "Michael S. Tsirkin" <mst@redhat.com>,
        Jason Wang <jasowang@redhat.com>,
        Noralf =?utf-8?B?VHLDr8K/wr1ubmVz?= <noralf@tronnes.org>
Subject: Re: [PATCH 01/40] lib/string_helpers: Drop space in
 string_get_size's output
Message-ID: <ZFBfD96zDCh2RcVN@moria.home.lan>
References: <20230501165450.15352-1-surenb@google.com>
 <20230501165450.15352-2-surenb@google.com>
 <ouuidemyregstrijempvhv357ggp4tgnv6cijhasnungsovokm@jkgvyuyw2fti>
 <ZFAUj+Q+hP7cWs4w@moria.home.lan>
 <CAHp75VeJ_a6j3uweLN5-woSQUtN5u36c2gkoiXhnJa1HXJdoyQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CAHp75VeJ_a6j3uweLN5-woSQUtN5u36c2gkoiXhnJa1HXJdoyQ@mail.gmail.com>
Precedence: bulk

On Mon, May 01, 2023 at 10:57:07PM +0300, Andy Shevchenko wrote:
> But why do we need that? What's the use case?

It looks like we missed you on the initial CC, here's the use case:
https://lore.kernel.org/linux-fsdevel/ZFAsm0XTqC%2F%2Ff4FP@P9FQF9L96D/T/#mdda814a8c569e2214baa31320912b0ef83432fa9