From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=172.234.252.31 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793908654; b=OrNglvHl0HTKTSRz+0eU1+Q5fy6BZ+WIZra04diyxLgHL1reFEUYiUx9G7O/Rmvngjjs XQzwmGcemq7ea6fzlQNz2cchZVT4ddc7HCwZRKbkN8Lx0jUWU4KMriLIv8huTw21SR0T2 uAZYC0bMj5WUrGhpfrJzntSfBkWDL8mDvzIe5En9A8aFDq5bLUkZT5EkTDbJxhDzVyW07 zndlitjhi1sKIDjTuLSXe23RCjQ3wYGuoAmeO/mRLo8VwHmqonvWUGr3apPze3aZXBPt8 7vA1IJ0BZ/UvHkU08TR3vXpTZm4nv/dMV0lD/kkM8ymZ36YIpmEfLr6XXyZt3dfk4PQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793908654; h=DMARC-Filter:Received:Received:DKIM-Signature:Message-ID:From: Subject:Reply-To:To:Cc:In-Reply-To:References:Content-Type: Content-Transfer-Encoding:Date; bh=xFHbGVRg6yrT3KlueEhkmvkVUBCbD/lh7sbmFSVtLTQ=; b=GwDkbMO2ARGUIJjY2egKw0AWobQkSMvSicGFFQmpRiB4biBwrPHez8LxoWwsQhrM5CBx zj6Pk6VbLvIOvsBV0ZQcM6hyVsyAjlAfLAeIsT6A3gEdUlapLrnb6MiawkeHwrrPRnMF4 ihTraVKALKr12omcvXVIVUioy2FLzajFmgSYnICTY7dyfcw+2U+OVHFYEdqzWtG15DU5B lM+/CPyLOoz+UYthmwKh6rJoUIb+60zwdDSNuBxbQpnHIWX2jdupeEMWR/6mkCXB9i3/E lWYAAjvwJIV4paRuZNhZqFmrnfiSVCviV0XhLOMk4N6D7w25L57WsreOR16x7gTfGHA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=kernel.org; spf=pass smtp.mailfrom=kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=MH+i2+6U; arc=none smtp.remote-ip=172.234.252.31 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C5D7B606A6D3 for ; Thu, 5 Nov 2026 19:57:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org C5D7B606A6D3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=MH+i2+6U Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id AB53D42A7D; Thu, 5 Nov 2026 19:57:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 066011F008BE; Thu, 5 Nov 2026 19:57:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793908653; bh=xFHbGVRg6yrT3KlueEhkmvkVUBCbD/lh7sbmFSVtLTQ=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=MH+i2+6U9jE27VRxSnmwAC1I+KZsyQYelc+SI0/arXlN1acPqvYicclIueaGmnw0S 7Vufmku32aU/0LTS0ZsEhPWcfV/nyEAphelMqVOOOUXzL7KizWCwGblpTFLBfRVOQ+ aRw3Xd1lLfS6Zlieesl7Sd7dG27m8Iqdo392aGzfQpYi9FKD9imCBtAkWRVDGlQ5yL tyCoPN0YxGIGINh+RaRkYpaUWkADRL5JES4DnfjVlT3zfh7STaEF5tXVV/1aeg93IZ vbsnaVOjzd37+164Zegh13k1Ov7WlOlHKfVz6T+tPlvgwuvjMPOhmpOl2Tm3RCKXke hwokiwRFkoaZQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH RESEND v2 03/30] lockd: let procfs copy in writes to nlm_end_grace Reply-To: sashiko-reviews@lists.linux.dev To: "Christian Brauner" Cc: "Linus Torvalds" , "Jann Horn" , "Josef Bacik" , "Chris Mason" , "Jeff Layton" , NeilBrown , "Eric Dumazet" , "Thomas Gleixner" , "Al Viro" , "Jonathan Corbet" , "Christoph Hellwig" , "Greg Kroah-Hartman" , "Joel Granados" , "Kees Cook" , "Jan Kara" , "Jan Kara" , linux-s390@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, linux-m68k@lists.linux-m68k.org, linux-serial@vger.kernel.org, "Takashi Iwai" , linux-ext4@vger.kernel.org, "Chuck Lever" , tytso@mit.edu, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261104-work-procfs-fs-v2-3-319e0f9a8aae@kernel.org> References: <20261104-work-procfs-fs-v2-0-319e0f9a8aae@kernel.org> <20261104-work-procfs-fs-v2-3-319e0f9a8aae@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 05 Nov 2026 19:57:31 +0000 X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Implement ->proc_write_buf() so procfs copies in what is written before > it pins the entry. simple_transaction_get() was only used to get a copy > of what was written, so look at procfs' copy instead and drop the > transaction. A second write to the same file doesn't fail with -EBUSY > anymore. Writes larger than PAGE_SIZE - 1 bytes fail with -EINVAL from > procfs instead of -EFBIG from simple_transaction_get(), which refused a > few bytes less. >=20 > Acked-by: Chuck Lever > Signed-off-by: Christian Brauner (Amutable) Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261104-work-procf= s-fs-v2-0-319e0f9a8aae@kernel.org?part=3D3