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Diffstat (limited to 'fs/nfs/flexfilelayout/flexfilelayoutdev.c')
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayoutdev.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index 457cfeb1d5c1..6df7a0cf5660 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -119,7 +119,13 @@ nfs4_ff_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
if (ds_versions[i].wsize > NFS_MAX_FILE_IO_SIZE)
ds_versions[i].wsize = NFS_MAX_FILE_IO_SIZE;
- if (ds_versions[i].version != 3 || ds_versions[i].minor_version != 0) {
+ /*
+ * check for valid major/minor combination.
+ * currently we support dataserver which talk:
+ * v3, v4.0, v4.1, v4.2
+ */
+ if (!((ds_versions[i].version == 3 && ds_versions[i].minor_version == 0) ||
+ (ds_versions[i].version == 4 && ds_versions[i].minor_version < 3))) {
dprintk("%s: [%d] unsupported ds version %d-%d\n", __func__,
i, ds_versions[i].version,
ds_versions[i].minor_version);
@@ -415,7 +421,7 @@ nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx,
mirror->mirror_ds->ds_versions[0].minor_version);
/* connect success, check rsize/wsize limit */
- if (ds->ds_clp) {
+ if (!status) {
max_payload =
nfs_block_size(rpc_max_payload(ds->ds_clp->cl_rpcclient),
NULL);