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(No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 60E03281547 for ; Fri, 8 Dec 2023 11:40:56 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 22A571B27C; Fri, 8 Dec 2023 11:40:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lNAUcdRc" X-Original-To: linux-nfs@vger.kernel.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F1F7DD537; Fri, 8 Dec 2023 11:40:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96497C433C7; Fri, 8 Dec 2023 11:40:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702035652; bh=sZ4JI3UZK4sPfWcegMQKthZYFwyRcELwUbjKcqMVAYM=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=lNAUcdRcinqmw4/ipugHauoY/dY9+sxsOzZIyGFqUQkV1SiciRc7h84kQQEmO8NT4 V+7x2HyWnWZjJZRRnBUxm9OtqwzFGgY8sq0UvNl2+8HXcElTZRL5LGigU34SjGebs3 vmnufyl65mzUhZsT2iHJHStM/t8IV/naSgdIKbzB/MmbjoIMvHGaf8BqIMTrE5XeRm tHpF9v1Y7FilfYLWvdnzolt3nD/gJKuPXgPHveirO+B91tm1BQiQTEE+rsqnoMyKA2 9xPwEGQv2OaOso0qoE97GCNDoRa4G3iO89aDwFtNa6rTqzuGlqGPGjHw0q31R2Zdcm 5QJkETItBLTVg== Message-ID: Subject: Re: [PATCH 0/3] nfsd: fully close all files in the nfsd threads From: Jeff Layton To: NeilBrown , Al Viro , Christian Brauner , Jens Axboe , Oleg Nesterov , Chuck Lever Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org Date: Fri, 08 Dec 2023 06:40:50 -0500 In-Reply-To: <20231208033006.5546-1-neilb@suse.de> References: <20231208033006.5546-1-neilb@suse.de> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; 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QiErRVPpB7VzA/pYV5Mdy7GMbPjmO0IpoL0tVZ8JvUzUZXB3ErS/dJflvboAAQeLpLCkQjqZiQ/DCmgJCrBJst9Xc7YsKKS379Tc3GU33HNSpaOxs2NwfzoesyjKU+P35czvXWTtj7KVVSj3SgzzFk+gLx8y2Nvt9iESdZ1Ustv8tipDsGcvIZ43MQwqU9YbLg8k4V9ch+Mo8SE+C0jyZYDCE2ZGf3OztvtSYMsTnF6/luzVyej1AFVYjKHORzNoTwdHUeC+9/07GO0bMYTPXYvJ/vxBFm3oniXyhgb5FtABEBAAGJAh8EGAECAAkFAk6V0TwCGwwACgkQAA5oQRlWghXhZRAAyycZ2DDyXh2bMYvI8uHgCbeXfL3QCvcw2XoZTH2l2umPiTzrCsDJhgwZfG9BDyOHaYhPasd5qgrUBtjjUiNKjVM+Cx1DnieR0dZWafnqGv682avPblfi70XXr2juRE/fSZoZkyZhm+nsLuIcXTnzY4D572JGrpRMTpNpGmitBdh1l/9O7Fb64uLOtA5Qj5jcHHOjL0DZpjmFWYKlSAHmURHrE8M0qRryQXvlhoQxlJR4nvQrjOPMsqWD5F9mcRyowOzr8amasLv43w92rD2nHoBK6rbFE/qC7AAjABEsZq8+TQmueN0maIXUQu7TBzejsEbV0i29z+kkrjU2NmK5pcxgAtehVxpZJ14LqmN6E0suTtzjNT1eMoqOPrMSx+6vOCIuvJ/MVYnQgHhjtPPnU86mebTY5Loy9YfJAC2EVpxtcCbx2KiwErTndEyWL+GL53LuScUD7tW8vYbGIp4RlnUgPLbqpgssq2gwYO9m75FGuKuB2+2bCGajqalid5nzeq9v7cYLLRgArJfOIBWZrHy2m0C+pFu9DSuV6SNr2dvMQUv1V58h0FaSOxHVQnJdnoHn13g/CKKvyg2EMrMt/EfcXgvDwQbnG9we4xJiWOIOcsvrWcB6C6lWBDA+In7w7SXnnok kZWuOsJdJQdmwlWC5L5ln9xgfr/4mOY38B0U= Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.2 (3.50.2-1.fc39) Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Fri, 2023-12-08 at 14:27 +1100, NeilBrown wrote: > This is a new version of my patches to address a rare problem with nfsd > closing files faster than __fput() can complete the close in a different > thread. >=20 > This time I'm simply switching to __fput_sync(). I cannot see any > reason that this would be a problem, but if any else does and can show > me what I'm missing, I'd appreciate it. >=20 > Thanks, > NeilBrown >=20 >=20 > [PATCH 1/3] nfsd: use __fput_sync() to avoid delayed closing of > [PATCH 2/3] nfsd: Don't leave work of closing files to a work queue. > [PATCH 3/3] VFS: don't export flush_delayed_fput(). Looks good to me. Reviewed-by: Jeff Layton