NFSv4.1: Exchange ID must use GFP_NOFS allocation mode
Exchange ID can be called in a lease reclaim situation, so it
will deadlock if it then tries to write out dirty NFS pages.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e8988c0..f8817e8 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5192,20 +5192,20 @@
clp->cl_rpcclient->cl_auth->au_flavor);
res.server_owner = kzalloc(sizeof(struct nfs41_server_owner),
- GFP_KERNEL);
+ GFP_NOFS);
if (unlikely(res.server_owner == NULL)) {
status = -ENOMEM;
goto out;
}
res.server_scope = kzalloc(sizeof(struct nfs41_server_scope),
- GFP_KERNEL);
+ GFP_NOFS);
if (unlikely(res.server_scope == NULL)) {
status = -ENOMEM;
goto out_server_owner;
}
- res.impl_id = kzalloc(sizeof(struct nfs41_impl_id), GFP_KERNEL);
+ res.impl_id = kzalloc(sizeof(struct nfs41_impl_id), GFP_NOFS);
if (unlikely(res.impl_id == NULL)) {
status = -ENOMEM;
goto out_server_scope;