[PATCH] nfs: set RPC_TASK_TIMEOUT on rpc task to separate TIMEOUT from IO errors

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to help debug nfs problems

Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@xxxxxxx>
---
 fs/nfs/read.c  | 2 +-
 fs/nfs/write.c | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 0a5e33f..0fae3f3 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -191,7 +191,7 @@ static void nfs_initiate_read(struct nfs_pgio_header *hdr,
 	struct inode *inode = hdr->inode;
 	int swap_flags = IS_SWAPFILE(inode) ? NFS_RPC_SWAPFLAGS : 0;
 
-	task_setup_data->flags |= swap_flags;
+	task_setup_data->flags |= swap_flags | RPC_TASK_TIMEOUT;
 	rpc_ops->read_setup(hdr, msg);
 }
 
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 7b93164..05c9963 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1296,6 +1296,7 @@ static void nfs_initiate_write(struct nfs_pgio_header *hdr,
 	int priority = flush_task_priority(how);
 
 	task_setup_data->priority = priority;
+	task_setup_data->flags |= RPC_TASK_TIMEOUT;
 	rpc_ops->write_setup(hdr, msg);
 
 	nfs4_state_protect_write(NFS_SERVER(hdr->inode)->nfs_client,
@@ -1578,7 +1579,7 @@ int nfs_initiate_commit(struct rpc_clnt *clnt, struct nfs_commit_data *data,
 		.callback_ops = call_ops,
 		.callback_data = data,
 		.workqueue = nfsiod_workqueue,
-		.flags = RPC_TASK_ASYNC | flags,
+		.flags = RPC_TASK_ASYNC | RPC_TASK_TIMEOUT | flags,
 		.priority = priority,
 	};
 	/* Set up the initial task struct.  */
-- 
2.5.0

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