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[RFC,4/4] dev_dax_iomap: Add CONFIG_DEV_DAX_IOMAP kernel build parameter

Message ID 0100018c40f105c7-7e0d722c-4602-4956-8c3a-52f693e97e7c-000000@email.amazonses.com (mailing list archive)
State Not Applicable, archived
Headers show
Series [RFC,1/4] dev_dax_iomap: Add add_dax_ops() func for fs-dax to provide dax holder_ops | expand

Commit Message

John Groves Dec. 6, 2023, 9:03 p.m. UTC 
From: John Groves <john@groves.net>

Add CONFIG_DEV_DAXIOMAP kernel build parameter
---
 drivers/dax/Kconfig | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

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