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authorChristoph Hellwig <hch@lst.de>2016-03-04 22:46:16 +0300
committerJ. Bruce Fields <bfields@redhat.com>2016-03-18 18:40:57 +0300
commit81c39329010d6131c0909ccb91ffeaffc2e99010 (patch)
tree258dd96de67730499a91cfceb8c5764dcb504c6b /fs/nfsd/Kconfig
parentd9186c03976506cde2c2b1219028bed449c948ed (diff)
downloadlinux-81c39329010d6131c0909ccb91ffeaffc2e99010.tar.xz
nfsd: add a new config option for the block layout driver
Split the config symbols into a generic pNFS one, which is invisible and gets selected by the layout drivers, and one for the block layout driver. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/Kconfig')
-rw-r--r--fs/nfsd/Kconfig13
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index a0b77fc1bd39..eb70d91b255b 100644
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -84,12 +84,17 @@ config NFSD_V4
If unsure, say N.
config NFSD_PNFS
- bool "NFSv4.1 server support for Parallel NFS (pNFS)"
+ bool
+
+config NFSD_BLOCKLAYOUT
+ bool "NFSv4.1 server support for pNFS block layouts"
depends on NFSD_V4
+ select NFSD_PNFS
help
- This option enables support for the parallel NFS features of the
- minor version 1 of the NFSv4 protocol (RFC5661) in the kernel's NFS
- server.
+ This option enables support for the exporting pNFS block layouts
+ in the kernel's NFS server. The pNFS block layout enables NFS
+ clients to directly perform I/O to block devices accesible to both
+ the server and the clients. See RFC 5663 for more details.
If unsure, say N.