From mboxrd@z Thu Jan 1 00:00:00 1970 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 97DAA1C8FBA for ; Mon, 13 Oct 2025 03:11:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760325117; cv=none; b=Vfqtk31mro/k4DVqftY2anoeyQTcMOaDHXp5Jo2xSn2Ljk440NSl1je4tQexxCcecadxYPnlylY7MeEmPCtGGb08GGb/xH6Dv8Ftc/c0vm4NhT6ml46kQmJgB/BdDK2G4saVP4aGl9Dwzn21GgWppg9/DyH2lSmJw1N+9TBPvFU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760325117; c=relaxed/simple; bh=Qdl2UhBv90JLBMPURmb9wureGlDEVSToD2iFAoSio8U=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=e6vcQsWi8VNjTIUD5jS1ZXOAIDAH6uyHe9blkohxDAHDds9xK3fcVURa8oidMXMRgjVeene1aEmvq/BnY0VU8xPKEIavmKHLVaWfmVw+mxiLye3kM81VcKDkchbXAwC6ntpKx4lFaJO3Ls3mUGUxFA7/flm36z6kBzxjtVR3lYQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dud/xxIk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dud/xxIk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5FDDC4CEE7; Mon, 13 Oct 2025 03:11:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760325117; bh=Qdl2UhBv90JLBMPURmb9wureGlDEVSToD2iFAoSio8U=; h=From:To:Subject:Date:From; b=dud/xxIkSnv4fEnuk4u5EzQtGbLYLc7uK7q+ESt8yEGIQTorPwT+qFyGWAwkJR1pl VqtRU8sovL5l8YoRA6lStc/JJWml12aN6zvSXbevKVmf3Yx5/dYsaEx+m6dF0cQWf7 sp94jmMDCH8hKQeyjA0U5S2HLRBrUeW2q+U5oO9b3vQkqdZypHdFQ9j8vTfdKXTawR F8rSAExm2nwlZEeNGxalHeHAupZi33xGVoHfuLLY7HYg65ccKVESRsxJqiNSgTGeSZ oodUcdw4rRrENRYp+HPYP+GkM+oCx09z4SqaDH9QP0isrt+E132RxAXkjqR19dAsze fzEkoZTxCBzUw== From: Damien Le Moal To: linux-xfs@vger.kernel.org, Carlos Maiolino Subject: [PATCH] xfs: Improve CONFIG_XFS_RT Kconfig help Date: Mon, 13 Oct 2025 12:08:29 +0900 Message-ID: <20251013030829.672060-1-dlemoal@kernel.org> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Improve the description of the XFS_RT configuration option to document that this option is required for zoned block devices. Signed-off-by: Damien Le Moal Reviewed-by: Christoph Hellwig Reviewed-by: Carlos Maiolino --- fs/xfs/Kconfig | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig index 8930d5254e1d..d66d517c99a9 100644 --- a/fs/xfs/Kconfig +++ b/fs/xfs/Kconfig @@ -119,6 +119,15 @@ config XFS_RT See the xfs man page in section 5 for additional information. + This option is mandatory to support zoned block devices. For these + devices, the realtime subvolume must be backed by a zoned block + device and a regular block device used as the main device (for + metadata). If the zoned block device is a host-managed SMR hard-disk + containing conventional zones at the beginning of its address space, + XFS will use the disk conventional zones as the main device and the + remaining sequential write required zones as the backing storage for + the realtime subvolume. + If unsure, say N. config XFS_DRAIN_INTENTS -- 2.51.0