SUNRPC: Allow waiting on memory allocation

We should be safe now, as long as we don't do GFP_IO or higher allocations

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 4f65ec2..b91fd9c 100644 (file)
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -844,10 +844,10 @@ static void rpc_async_schedule(struct work_struct *work)
 void *rpc_malloc(struct rpc_task *task, size_t size)
 {
        struct rpc_buffer *buf;
-       gfp_t gfp = GFP_NOWAIT | __GFP_NOWARN;
+       gfp_t gfp = GFP_NOIO | __GFP_NOWARN;
 
        if (RPC_IS_SWAPPER(task))
-               gfp |= __GFP_MEMALLOC;
+               gfp = __GFP_MEMALLOC | GFP_NOWAIT | __GFP_NOWARN;
 
        size += sizeof(struct rpc_buffer);
        if (size <= RPC_BUFFER_MAXSIZE)