From: Andy Adamson <andros@xxxxxxxxxx>
Declare a global pnfs_export_operations struct for use with DLM cluster
file systems who wish to be exported by pnfs.
Signed-off-by: Andy Adamson <andros@xxxxxxxxxx>
[pnfsd: define dlm export ops for the !CONFIG_PNFSD case]
[gfs2: set pnfs_dlm_export_ops only for CONFIG_PNFSD]
Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
Acked-by: Steven Whitehouse <swhiteho@xxxxxxxxxx>
---
fs/nfsd/nfs4pnfsdlm.c | 9 +++++++++
include/linux/nfsd/nfs4pnfsdlm.h | 3 +++
2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/fs/nfsd/nfs4pnfsdlm.c b/fs/nfsd/nfs4pnfsdlm.c
index 162afaf..ccab22f 100644
--- a/fs/nfsd/nfs4pnfsdlm.c
+++ b/fs/nfsd/nfs4pnfsdlm.c
@@ -384,3 +384,12 @@ nfsd4_pnfs_dlm_layouttype(struct super_block *sb)
{
return LAYOUT_NFSV4_FILES;
}
+
+/* For use by DLM cluster file systems exported by pNFSD */
+const struct pnfs_export_operations pnfs_dlm_export_ops = {
+ .layout_type = nfsd4_pnfs_dlm_layouttype,
+ .get_device_info = nfsd4_pnfs_dlm_getdevinfo,
+ .get_device_iter = nfsd4_pnfs_dlm_getdeviter,
+ .layout_get = nfsd4_pnfs_dlm_layoutget,
+};
+EXPORT_SYMBOL(pnfs_dlm_export_ops);
diff --git a/include/linux/nfsd/nfs4pnfsdlm.h b/include/linux/nfsd/nfs4pnfsdlm.h
index 63248aa..a961c1e 100644
--- a/include/linux/nfsd/nfs4pnfsdlm.h
+++ b/include/linux/nfsd/nfs4pnfsdlm.h
@@ -35,6 +35,9 @@
#ifdef CONFIG_PNFSD
+/* For use by DLM cluster file systems exported by pNFSD */
+extern const struct pnfs_export_operations pnfs_dlm_export_ops;
+
int nfsd4_set_pnfs_dlm_device(char *pnfs_dlm_device, int len);
void nfsd4_pnfs_dlm_shutdown(void);
--
1.6.5.1
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