Message ID | 1536773742-32687-2-git-send-email-longman@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[66.187.233.73]) by mx.google.com with ESMTPS id u17-v6si1006102qvi.90.2018.09.12.10.35.55 for <linux-mm@kvack.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Sep 2018 10:35:55 -0700 (PDT) Received-SPF: pass (google.com: domain of longman@redhat.com designates 66.187.233.73 as permitted sender) client-ip=66.187.233.73; Authentication-Results: mx.google.com; spf=pass (google.com: domain of longman@redhat.com designates 66.187.233.73 as permitted sender) smtp.mailfrom=longman@redhat.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 73B2E40241C0; Wed, 12 Sep 2018 17:35:54 +0000 (UTC) Received: from llong.com (dhcp-17-55.bos.redhat.com [10.18.17.55]) by smtp.corp.redhat.com (Postfix) with ESMTP id DAEA02157F49; Wed, 12 Sep 2018 17:35:53 +0000 (UTC) From: Waiman Long <longman@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk>, Jonathan Corbet <corbet@lwn.net>, Andrew Morton <akpm@linux-foundation.org> Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, "Luis R. Rodriguez" <mcgrof@kernel.org>, Kees Cook <keescook@chromium.org>, Linus Torvalds <torvalds@linux-foundation.org>, Jan Kara <jack@suse.cz>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, Ingo Molnar <mingo@kernel.org>, Miklos Szeredi <mszeredi@redhat.com>, Matthew Wilcox <willy@infradead.org>, Larry Woodman <lwoodman@redhat.com>, James Bottomley <James.Bottomley@HansenPartnership.com>, "Wangkai (Kevin C)" <wangkai86@huawei.com>, Michal Hocko <mhocko@kernel.org>, Waiman Long <longman@redhat.com>, stable@vger.kernel.org Subject: [PATCH v4 1/3] fs/dcache: Fix incorrect nr_dentry_unused accounting in shrink_dcache_sb() Date: Wed, 12 Sep 2018 13:35:40 -0400 Message-Id: <1536773742-32687-2-git-send-email-longman@redhat.com> In-Reply-To: <1536773742-32687-1-git-send-email-longman@redhat.com> References: <1536773742-32687-1-git-send-email-longman@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Wed, 12 Sep 2018 17:35:54 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Wed, 12 Sep 2018 17:35:54 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'longman@redhat.com' RCPT:'' X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
fs/dcache: Track # of negative dentries
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expand
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diff --git a/fs/dcache.c b/fs/dcache.c index 2e7e8d8..cb515f1 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1202,15 +1202,11 @@ static enum lru_status dentry_lru_isolate_shrink(struct list_head *item, */ void shrink_dcache_sb(struct super_block *sb) { - long freed; - do { LIST_HEAD(dispose); - freed = list_lru_walk(&sb->s_dentry_lru, + list_lru_walk(&sb->s_dentry_lru, dentry_lru_isolate_shrink, &dispose, 1024); - - this_cpu_sub(nr_dentry_unused, freed); shrink_dentry_list(&dispose); } while (list_lru_count(&sb->s_dentry_lru) > 0); }