When establishing a session with a DS mask out its MDS
exchange_id flag so we know we use it as DS-only.
Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
---
fs/nfs/nfs4filelayoutdev.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
index 128715a..cb8ae88 100644
--- a/fs/nfs/nfs4filelayoutdev.c
+++ b/fs/nfs/nfs4filelayoutdev.c
@@ -272,6 +272,9 @@ nfs4_pnfs_ds_create(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds)
if (err)
goto out_put;
+ /* mask out the server's MDS capability flag */
+ clp->cl_exchange_flags |= EXCHGID4_FLAG_USE_PNFS_DS;
+
if (!(clp->cl_exchange_flags & EXCHGID4_FLAG_USE_PNFS_DS)) {
printk(KERN_INFO "ip:port %s is not a pNFS Data Server\n",
ds->r_addr);
--
1.6.5.1
--
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