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Message-Id: <13365680ad42ba718c36b90165c56c3db43e8fdf.1708709155.git.john@groves.net>
Date: Fri, 23 Feb 2024 11:41:50 -0600
From: John Groves <John@...ves.net>
To: John Groves <jgroves@...ron.com>,
Jonathan Corbet <corbet@....net>,
Dan Williams <dan.j.williams@...el.com>,
Vishal Verma <vishal.l.verma@...el.com>,
Dave Jiang <dave.jiang@...el.com>,
Alexander Viro <viro@...iv.linux.org.uk>,
Christian Brauner <brauner@...nel.org>,
Jan Kara <jack@...e.cz>,
Matthew Wilcox <willy@...radead.org>,
linux-cxl@...r.kernel.org,
linux-fsdevel@...r.kernel.org,
linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org,
nvdimm@...ts.linux.dev
Cc: John@...ves.net,
john@...alactic.com,
Dave Chinner <david@...morbit.com>,
Christoph Hellwig <hch@...radead.org>,
dave.hansen@...ux.intel.com,
gregory.price@...verge.com,
John Groves <john@...ves.net>
Subject: [RFC PATCH 06/20] dev_dax_iomap: Add CONFIG_DEV_DAX_IOMAP kernel build parameter
Add the CONFIG_DEV_DAX_IOMAP kernel config parameter to control building
of the iomap functionality to support fsdax on devdax.
Signed-off-by: John Groves <john@...ves.net>
---
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
--
2.43.0
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