From patchwork Wed Dec 6 21:03:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Groves X-Patchwork-Id: 13482275 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=jagalactic.com header.i=@jagalactic.com header.b="h/r7fKGw"; dkim=pass (1024-bit key) header.d=amazonses.com header.i=@amazonses.com header.b="UgfsXt6O" Received: from a48-177.smtp-out.amazonses.com (a48-177.smtp-out.amazonses.com [54.240.48.177]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36291D5B; Wed, 6 Dec 2023 13:03:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=rjayupzefgi7e6fmzxcxe4cv4arrjs35; d=jagalactic.com; t=1701896586; h=Subject:From:To:Cc:Date:Mime-Version:Content-Type:Content-Transfer-Encoding:In-Reply-To:References:Message-Id; bh=OCAlzX7SebA+j0HU4Sd7LjmJRCytQLzLNtjNPcYsg/M=; b=h/r7fKGwNyRQXQ/klZ0/fqeYYMmBzNl5n9mnuZL1ohKmcjySR0APw9WYzIRomCgm cvK++RoQJxfhIzH3u5eT+IMw3D3IcDf84JdaUMG1U5q2uDDALvgmvaDg6CPBYoT2gHK vQgc9fH23NGP5DuMD8LdntCcGHHIsnmCQCfF/XdI= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1701896586; h=Subject:From:To:Cc:Date:Mime-Version:Content-Type:Content-Transfer-Encoding:In-Reply-To:References:Message-Id:Feedback-ID; bh=OCAlzX7SebA+j0HU4Sd7LjmJRCytQLzLNtjNPcYsg/M=; b=UgfsXt6Or2ojBf76Wxu+AjMwJLnevzWfnydHUHZV10RKwXRG8xZFAeT4f98ghuOO sZTChlvoCdJCkD9gWYrcZTnPHXFOZDoWVK1ey3FRvSdybHdgln6I4R5CAh8qfYanjMN GinrcGELwDU5KWuy10CRatFMrr5sUHnJOc04snqc= Subject: [PATCH RFC 4/4] dev_dax_iomap: Add CONFIG_DEV_DAX_IOMAP kernel build parameter From: =?utf-8?q?John_Groves?= To: =?utf-8?q?Dan_Williams?= , =?utf-8?q?John_Grov?= =?utf-8?q?es?= , =?utf-8?q?John_Groves?= Cc: =?utf-8?q?Vishal_Verma?= , =?utf-8?q?Dave_Jian?= =?utf-8?q?g?= , =?utf-8?q?nvdimm=40lists=2Elinux=2Ede?= =?utf-8?q?v?= , =?utf-8?q?linux-cxl=40vger=2Ekernel?= =?utf-8?q?=2Eorg?= , =?utf-8?q?linux-kernel=40vg?= =?utf-8?q?er=2Ekernel=2Eorg?= , =?utf-8?q?lin?= =?utf-8?q?ux-fsdevel=40vger=2Ekernel=2Eorg?= , =?utf-8?q?John_Groves?= Date: Wed, 6 Dec 2023 21:03:06 +0000 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 In-Reply-To: <20231206210252.52107-1-john@jagalactic.com> References: <20231206210252.52107-1-john@jagalactic.com> <20231206210252.52107-5-john@jagalactic.com> X-Mailer: Amazon WorkMail Thread-Index: AQHaKIeW9Nsmb4x1TnOasHllAnJBRAAAASpN Thread-Topic: [PATCH RFC 4/4] dev_dax_iomap: Add CONFIG_DEV_DAX_IOMAP kernel build parameter X-Wm-Sent-Timestamp: 1701896584 X-Original-Mailer: git-send-email 2.39.3 (Apple Git-145) Message-ID: <0100018c40f105c7-7e0d722c-4602-4956-8c3a-52f693e97e7c-000000@email.amazonses.com> Feedback-ID: 1.us-east-1.LF00NED762KFuBsfzrtoqw+Brn/qlF9OYdxWukAhsl8=:AmazonSES X-SES-Outgoing: 2023.12.06-54.240.48.177 From: John Groves Add CONFIG_DEV_DAXIOMAP kernel build parameter --- drivers/dax/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/dax/Kconfig b/drivers/dax/Kconfig index a88744244149..b1ebcc77120b 100644 --- a/drivers/dax/Kconfig +++ b/drivers/dax/Kconfig @@ -78,4 +78,10 @@ config DEV_DAX_KMEM Say N if unsure. +config DEV_DAX_IOMAP + depends on DEV_DAX && DAX + def_bool y + help + Support iomap mapping of devdax devices (for FS-DAX file + systems that reside on character /dev/dax devices) endif