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| author | Christoph Hellwig <hch@lst.de> | 2016-03-04 20:46:16 +0100 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2016-03-18 11:40:57 -0400 |
| commit | 81c39329010d6131c0909ccb91ffeaffc2e99010 (patch) | |
| tree | 258dd96de67730499a91cfceb8c5764dcb504c6b /fs/nfsd/Kconfig | |
| parent | d9186c03976506cde2c2b1219028bed449c948ed (diff) | |
| download | lwn-81c39329010d6131c0909ccb91ffeaffc2e99010.tar.gz lwn-81c39329010d6131c0909ccb91ffeaffc2e99010.zip | |
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/Kconfig | 13 |
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. |