Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
---
fs/nfs/pnfs.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 1ccf8d8..9d53c3c 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -139,10 +139,14 @@ set_pnfs_layoutdriver(struct nfs_server *server, u32 id)
{
struct pnfs_layoutdriver_type *ld_type = NULL;
- BUG_ON(!(server->nfs_client->cl_exchange_flags &
- (EXCHGID4_FLAG_USE_NON_PNFS | EXCHGID4_FLAG_USE_PNFS_MDS)));
if (id == 0)
goto out_no_driver;
+ if (!(server->nfs_client->cl_exchange_flags &
+ (EXCHGID4_FLAG_USE_NON_PNFS | EXCHGID4_FLAG_USE_PNFS_MDS))) {
+ printk(KERN_ERR "%s: id %u cl_exchange_flags 0x%x\n", __func__,
+ id, server->nfs_client->cl_exchange_flags);
+ goto out_no_driver;
+ }
ld_type = find_pnfs_driver(id);
if (!ld_type) {
request_module("%s-%u", LAYOUT_NFSV4_1_MODULE_PREFIX, id);
--
1.7.2.3
--
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