[PATCH 4/4] nfsd: Provide a config option for flex file layouts

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Signed-off-by: Tom Haynes <loghyr@xxxxxxxxxxxxxxx>
---
 fs/nfsd/Kconfig | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index c9f583d..76edffb 100644
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -111,6 +111,19 @@ config NFSD_SCSILAYOUT
 
 	  If unsure, say N.
 
+config NFSD_FLEXFILELAYOUT
+	bool "NFSv4.1 server support for pNFS Flex File layouts"
+	depends on NFSD_V4
+	select NFSD_PNFS
+	help
+	  This option enables support for the exporting pNFS Flex File
+	  layouts in the kernel's NFS server. The pNFS Flex File  layout
+	  enables NFS clients to directly perform I/O to NFSv3 devices
+	  accesible to both the server and the clients.  See
+	  draft-ietf-nfsv4-flex-files for more details.
+
+	  If unsure, say N.
+
 config NFSD_V4_SECURITY_LABEL
 	bool "Provide Security Label support for NFSv4 server"
 	depends on NFSD_V4 && SECURITY
-- 
1.8.3.1

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