From nobody Fri Oct 3 13:34:14 2025 Received: from e2i440.smtp2go.com (e2i440.smtp2go.com [103.2.141.184]) (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 50225221275 for ; Sun, 31 Aug 2025 19:18:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=103.2.141.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756667894; cv=none; b=b9hVUUZVzG6+/VXUWEOxDWzDjdCJ9naoL7i0YGQkHsOYkUR5DsZlMMs4S2Y+59wQNodHCQt8g6Q8PaOHP1DRt7nMIdekcY1Kq5a6FIo+Uq7blfvmPQXcqIMV0sbO5a+VxFS4lxiZCtxTSydK3021W8jZSGNc0jSWonZbGwzQBBw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756667894; c=relaxed/simple; bh=7D3KwNWJoC6p1VF2zcIsFrvHRGbh4rZ3AUloKNQr7YQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lcVP6l0xtgetNrlxT0ZMiIIZTME7Qe++W9xLfsn/MLwArZ9W3iZJ+A28I1Lmj8ltX+cIsDANS0srA8YodLbnhEz+G3ovz3i/uIwkoqBsqttn27q7E61muqkZODHRs+Jqv+QCcs78+7blF14L02KdfivujbrhWIoUFTccwuDjB4g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=triplefau.lt; spf=pass smtp.mailfrom=em510616.triplefau.lt; dkim=fail (0-bit key) header.d=smtpservice.net header.i=@smtpservice.net header.b=2JSeaLru reason="unknown key version"; dkim=pass (2048-bit key) header.d=triplefau.lt header.i=@triplefau.lt header.b=aazivrjU; arc=none smtp.client-ip=103.2.141.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=triplefau.lt Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=em510616.triplefau.lt Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="unknown key version" (0-bit key) header.d=smtpservice.net header.i=@smtpservice.net header.b="2JSeaLru"; dkim=pass (2048-bit key) header.d=triplefau.lt header.i=@triplefau.lt header.b="aazivrjU" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=smtpservice.net; s=maxzs0.a1-4.dyn; x=1756668792; h=Feedback-ID: X-Smtpcorp-Track:Message-ID:Date:Subject:To:From:Reply-To:Sender: List-Unsubscribe:List-Unsubscribe-Post; bh=XTOQ9/bbRBmTKIaXSYEBEdp9Uyv1R7EscXEwjs/sOsY=; b=2JSeaLrumPYpLTAQOtDbLejeR2 tCsT7/85RIulIbZfr6DnCyOINKzyEbMRFqeFIcXLJYi6HsZwr2MuVZUwBwyMrqB/FMyFckR90HALy NfxlY+Xjm2lTjHy57VKlDRMc9rTifCpoDtHB43Kcdl+Dm1Ul7bfgi4uIkl6og366o/OOvAQdPl6im 6g55sTKpzTgydDNPnW6ANkn0cMaMhRw75Qw4IJmw8pSSd9346/CmFb6x1pjlAiDKkYAw0lU9BZxqO lV7ujydn7mcJN6CvxB0dQon3npxf4XeM7qfwsiDq0d+q3iTAfMOnh1x7qtSr+yOGk2VjCoMpkpnQr jhYd0Sdw==; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=triplefau.lt; i=@triplefau.lt; q=dns/txt; s=s510616; t=1756667892; h=from : subject : to : message-id : date; bh=XTOQ9/bbRBmTKIaXSYEBEdp9Uyv1R7EscXEwjs/sOsY=; b=aazivrjUIAnUHPbQXKm/+ydnhUtclD9XyGkvrYaUvNTIgvTJPTkr9jZBFYcIvLYp6/E3d A20zblz29fu3IOdm9tVwwlsdoE21VYDJgZvjIg/yajEqdt5VhqNRSMR2ThacICn6RA150Q1 Saae8F2f4cfuQi+I053g3X4Rfcyouf4EJCDOO04JU6GOqpfP+uUz57Gt/NvCej/Xfn6IMzm 51LFwA2UXH3frYFurlHF0Td4o1HuCQE/PJ/gH+kBCWAEgJNQGPzq7WibU5zLJhL0wbWPAfu ESqner43KLfiv3WfOj59PZrJWXigTGS4bT6TUM4daKY2CJB19qdil+GRf/cQ== Received: from [10.139.162.187] (helo=SmtpCorp) by smtpcorp.com with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.94.2-S2G) (envelope-from ) id 1usnYt-TRk4XF-Tb; Sun, 31 Aug 2025 19:17:59 +0000 Received: from [10.12.239.196] (helo=localhost) by smtpcorp.com with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.98.1-S2G) (envelope-from ) id 1usnYt-4o5NDgrhYfw-mjHk; Sun, 31 Aug 2025 19:17:59 +0000 From: Remi Pommarel To: v9fs@lists.linux.dev Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , Remi Pommarel Subject: [RFC PATCH 5/5] 9p: Track 9P RPC waiting time as IO Date: Sun, 31 Aug 2025 21:03:43 +0200 Message-ID: X-Mailer: git-send-email 2.50.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Smtpcorp-Track: RczFNjPfh5-k.CymStYCYNnlH.lqbE2AkkXtC Feedback-ID: 510616m:510616apGKSTK:510616svxP-T_CuV X-Report-Abuse: Please forward a copy of this message, including all headers, to Content-Type: text/plain; charset="utf-8" Use io_wait_event_killable() to ensure that time spent waiting for 9P RPC transactions is accounted as IO wait time. Signed-off-by: Remi Pommarel --- net/9p/client.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/9p/client.c b/net/9p/client.c index 5c1ca57ccd28..3f0f4d6efc00 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -713,8 +713,8 @@ p9_client_rpc(struct p9_client *c, int8_t type, const c= har *fmt, ...) } again: /* Wait for the response */ - err =3D wait_event_killable(req->wq, - READ_ONCE(req->status) >=3D REQ_STATUS_RCVD); + err =3D io_wait_event_killable(req->wq, + READ_ONCE(req->status) >=3D REQ_STATUS_RCVD); =20 /* Make sure our req is coherent with regard to updates in other * threads - echoes to wmb() in the callback --=20 2.50.1