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-rw-r--r--fs/fuse/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/fuse/Kconfig b/fs/fuse/Kconfig
index 0156dc8aa646..fddd40630077 100644
--- a/fs/fuse/Kconfig
+++ b/fs/fuse/Kconfig
@@ -38,3 +38,16 @@ config VIRTIO_FS
If you want to share files between guests or with the host, answer Y
or M.
+
+config FUSE_DAX
+ bool "Virtio Filesystem Direct Host Memory Access support"
+ default y
+ depends on VIRTIO_FS
+ depends on FS_DAX
+ depends on DAX_DRIVER
+ help
+ This allows bypassing guest page cache and allows mapping host page
+ cache directly in guest address space.
+
+ If you want to allow mounting a Virtio Filesystem with the "dax"
+ option, answer Y.