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authorChristoph Hellwig <hch@lst.de>2016-03-04 20:46:16 +0100
committerJ. Bruce Fields <bfields@redhat.com>2016-03-18 11:40:57 -0400
commit81c39329010d6131c0909ccb91ffeaffc2e99010 (patch)
tree258dd96de67730499a91cfceb8c5764dcb504c6b /fs/nfsd/nfs4layouts.c
parentd9186c03976506cde2c2b1219028bed449c948ed (diff)
downloadlinux-next-81c39329010d6131c0909ccb91ffeaffc2e99010.tar.gz
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/nfs4layouts.c')
-rw-r--r--fs/nfsd/nfs4layouts.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index ce2d010d3b17..4e4def77ebc7 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -26,7 +26,9 @@ static const struct nfsd4_callback_ops nfsd4_cb_layout_ops;
static const struct lock_manager_operations nfsd4_layouts_lm_ops;
const struct nfsd4_layout_ops *nfsd4_layout_ops[LAYOUT_TYPE_MAX] = {
+#ifdef CONFIG_NFSD_BLOCKLAYOUT
[LAYOUT_BLOCK_VOLUME] = &bl_layout_ops,
+#endif
};
/* pNFS device ID to export fsid mapping */
@@ -121,10 +123,12 @@ void nfsd4_setup_layout_type(struct svc_export *exp)
if (!(exp->ex_flags & NFSEXP_PNFS))
return;
+#ifdef CONFIG_NFSD_BLOCKLAYOUT
if (sb->s_export_op->get_uuid &&
sb->s_export_op->map_blocks &&
sb->s_export_op->commit_blocks)
exp->ex_layout_type = LAYOUT_BLOCK_VOLUME;
+#endif
}
static void