diff options
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r-- | fs/nfs/nfs4proc.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index d0962393330..1dc80903944 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3074,15 +3074,10 @@ static int nfs4_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, return err; } -static int nfs4_read_done(struct rpc_task *task, struct nfs_read_data *data) +static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_read_data *data) { struct nfs_server *server = NFS_SERVER(data->inode); - dprintk("--> %s\n", __func__); - - if (!nfs4_sequence_done(task, &data->res.seq_res)) - return -EAGAIN; - if (nfs4_async_handle_error(task, server, data->args.context->state) == -EAGAIN) { nfs_restart_rpc(task, server->nfs_client); return -EAGAIN; @@ -3094,12 +3089,40 @@ static int nfs4_read_done(struct rpc_task *task, struct nfs_read_data *data) return 0; } +static int nfs4_read_done(struct rpc_task *task, struct nfs_read_data *data) +{ + + dprintk("--> %s\n", __func__); + + if (!nfs4_sequence_done(task, &data->res.seq_res)) + return -EAGAIN; + + return data->read_done_cb(task, data); +} + static void nfs4_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) { data->timestamp = jiffies; + data->read_done_cb = nfs4_read_done_cb; msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ]; } +/* Reset the the nfs_read_data to send the read to the MDS. */ +void nfs4_reset_read(struct rpc_task *task, struct nfs_read_data *data) +{ + dprintk("%s Reset task for i/o through\n", __func__); + put_lseg(data->lseg); + data->lseg = NULL; + /* offsets will differ in the dense stripe case */ + data->args.offset = data->mds_offset; + data->ds_clp = NULL; + data->args.fh = NFS_FH(data->inode); + data->read_done_cb = nfs4_read_done_cb; + task->tk_ops = data->mds_ops; + rpc_task_reset_client(task, NFS_CLIENT(data->inode)); +} +EXPORT_SYMBOL_GPL(nfs4_reset_read); + static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data) { struct inode *inode = data->inode; |