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[172.10.233.147]) by smtp.gmail.com with ESMTPSA id 00721157ae682-84caabb8b35sm34455727b3.27.2026.08.24.07.41.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Aug 2026 07:41:51 -0700 (PDT) Date: Mon, 24 Aug 2026 07:41:46 -0700 (PDT) From: Hugh Dickins To: Andrew Morton cc: Ackerley Tng , Alexander Viro , Baolin Wang , Barry Song , Binbin Wu , Christian Brauner , Christoph Hellwig , Christoph Lameter , Claudio Imbrenda , David Hildenbrand , JP Kobryn , Jan Kara , Jens Axboe , Johannes Weiner , Kairui Song , Kiryl Shutsemau , Lance Yang , Leonardo Bras , Lorenzo Stoakes , Marcelo Tosatti , Matthew Wilcox , Mel Gorman , Miaohe Lin , Michal Hocko , Minchan Kim , Muchun Song , Oscar Salvador , Peter Zijlstra , Qi Zheng , Rik van Riel , Sebastian Andrzej Siewior , Shakeel Butt , Suren Baghdasaryan , Vlastimil Babka , Yang Shi , Yu Zhao , Zach O'Keefe , Zi Yan , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 21/25] block/fbatch: no lru_add_drain_all() in invalidate_bdev() In-Reply-To: <14a16945-529b-8bc0-ab38-3ea97e54e223@google.com> Message-ID: <8facb079-aa8a-2973-4882-173e7d06ac07@google.com> References: <14a16945-529b-8bc0-ab38-3ea97e54e223@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: CD27C40008 X-Stat-Signature: g6ba4k8oe4chq16skgzz6ssqt9tm5htn X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1787582514-657453 X-HE-Meta: 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 VB31tWIz 3wFFUAKbBhmqye0WxeL1OZqWnp79NyXrcZDWpP3O+yTA5Wt27JKR49mcIBxenvwAh+lEUXIHPkzLuWPhqq2qnzj0CpRrQZnBL5+44z0AsEmNd8RE163VzKubENAY8uNfIf1e5HhCX/HJXluhnI2iPS+UX1palUH2EKcpetTNppsVDCto1NVJ3UOE/oUNJcrdb6SRU2Okddzg7ed3glqqunkvDWbEtAE1mFB32vfolZbKvUD8+TNILPulY6V577N2xM+HXFAsotybKT31SmHOf52XNGV1qy8FC1MzJ0GfSpsWrO0V5AUl5r/IlMQhHdqmC3r8RnTgNWUwW+ksjtkbF6MMNRuvqG/1r00FqDpCVUl7oyWFsnzgBh8N0T2KokoSPsew9KVCkHAGKTLgMqlxlcg1O3si99ChRX+8kewwATmhkHhrVpI+/rnruGLiKDKuUSpdGOHckLDl2caPT2FwfpLighQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: invalidate_bdev() has no good reason to lru_add_drain_all(), now that the per-cpu fbatch references are gone; but keep doing invalidate_bh_lrus(). Signed-off-by: Hugh Dickins --- block/bdev.c | 1 - 1 file changed, 1 deletion(-) diff --git a/block/bdev.c b/block/bdev.c index cd8323083740..853545b29b7f 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -97,7 +97,6 @@ void invalidate_bdev(struct block_device *bdev) if (mapping->nrpages) { invalidate_bh_lrus(); - lru_add_drain_all(); /* make sure all lru add caches are flushed */ invalidate_mapping_pages(mapping, 0, -1); } } -- 2.51.0