From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.57 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794402647; b=wIWmWE5wiCp3b5/oL5blp0Jr6/e137KK2s393rqxGIZfzygj2Roy0QaLN5I1zhpABt7E tiqLWhuBILMFKccG/VLfQingheR4flXmaQofwh5E44B8iQm8JSzvTUKl2Dafii2tsUh82 7yzgRZuRHJ8GHJYR+FShy/DYh2oibvQZgViJn/3uWTtApq0F+aQydvZFcr+zbzOpylDpt R/4eVvqZrJxeV4qY6LjtLfQj5M1VECzkRYn+Zu6AVCW/E+qOKHa9vwBIKJOmI2rQWxtFQ wq0HrH3QG8ZUpV6XCQBTY1SJps+VBO9euchRnl4Cq9YYlnsgt/pQr5UhKqozu6hMz2g== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794402647; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:From:Subject:Date:Message-Id: MIME-Version:Content-Type:Content-Transfer-Encoding:X-B4-Tracking:To: Cc:X-Mailer; bh=j1vhH616yYJJATvrRAm08rA9jOsgZV21h5QRiE4wUNA=; b=zgbPfDIz+xrUQjoFcF5yc1XaVYjADvxjQxrD/8Y6S0EF4G/ckHNsqkH6aFV0Rxhv8xuc WcQnIO9cl98n/GyBR9ci9pQq6sXBhNrkON5iF7o/ijrA9Q2WkeFxS8Q1rLLJWDEGHl7Yk SSnwSJmUtkhrrGmMlflTD0ZZWFwaffAUQ8xuLSmAU+1HhZappN5xwZKGc7eNNhuXD6JoN 6lQuzi3kgbLltdBWfdoBshs4jNxhe4BzcY0VI2BB70Ip8PoXDLqCxSlO0v+rPIzJX0JvC +t5YrZKtv0Q55Qvm/8OAEUM7qfLLhv3ubyGQU7dByNxfYjSZLz3pnFTbPvF4cWP9gAw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=cDMA6M5s; arc=none smtp.remote-ip=95.215.58.57 Received: from mta1.migadu.com (out-57.mta1.migadu.com [95.215.58.57]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 63667606A31C for ; Wed, 11 Nov 2026 13:10:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 63667606A31C Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=cDMA6M5s X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=8vsTho+fDtWw7vDJPfwLqBwvgAWnKw0AjJdAWw/f8TM=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794402643; v=1; x=1795007443; b=cDMA6M5s8fSo2w4M1BMUTh91sL3O1o8xwvFrPxF8wY8umbQdVGAhnOmMWhZu4VBoir1iRah6 RCa9ZM1sC9Vv+/lYqO4PN3LMNixClTKC8PwD7W1RK52dmXpsCHRqGLQJjhk7XbbMAeP+xMXy/TW GxKfwJUE36Jdbd7utI3+fkSk= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 86378f046b01e2b2; Wed, 11 Nov 2026 13:10:32 +0000 X-Mizu-Trace-ID: 86378f046b01e2b2 X-Migadu-Flow: FLOW_OUT From: Qiliang Yuan Subject: [PATCH v2 0/2] nvme-multipath: requeue work fixes Date: Wed, 11 Nov 2026 08:10:20 -0500 Message-Id: <20261111-bug-nvme-mpath-set-live-srcu-v2-0-fc772914d293@linux.dev> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAD1p9GoC/42NQQqDMBBFryKz7pREjLVdeY/iwuhEBzRKEoNFv HtTT1D+6v3Fewd4ckweXtkBjiJ7XmyC/JZBN7Z2IOQ+MeQiL6WUAvU2oI0z4by2YURPASeOhN5 1G3a6r56lMrJQD0iK1ZHh/dK/m8Qj+7C4z1WL8vf+KY4S04yqdCGUFqaqJ7bbfu8pQnOe5xdMQ A7MyAAAAA== To: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Nilay Shroff , Hannes Reinecke Cc: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Qiliang Yuan X-Mailer: b4 0.13.0 Patch 1 fails I/O queued without a path as soon as delayed_removal_secs is cleared, instead of when the delayed removal runs. Patch 2 stops nvme_mpath_set_live() from waiting for an SRCU grace period per namespace, which makes an ANA change with many namespaces take tens to hundreds of milliseconds. Signed-off-by: Qiliang Yuan --- V1 -> V2: - Add patch 1 - Take the SRCU cookie under head->lock in patch 2 (Sashiko) - Rerun the tests v1: https://lore.kernel.org/r/20261110-bug-nvme-mpath-set-live-srcu-v1-1-1f58b405b0f8@linux.dev --- Qiliang Yuan (2): nvme-multipath: fail queued I/O when delayed_removal_secs is cleared nvme-multipath: don't wait for a grace period in nvme_mpath_set_live() drivers/nvme/host/multipath.c | 19 ++++++++++++++++++- drivers/nvme/host/nvme.h | 1 + 2 files changed, 19 insertions(+), 1 deletion(-) --- base-commit: b3dfbde62cf1981c4638939c159dfd087b7a72e9 change-id: 20261110-bug-nvme-mpath-set-live-srcu-cbd8965f1457 Best regards, -- Qiliang Yuan