Return-Path: Received: from mx2.netapp.com ([216.240.18.37]:43653 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752497Ab1BURtm (ORCPT ); Mon, 21 Feb 2011 12:49:42 -0500 From: Fred Isaman To: linux-nfs@vger.kernel.org Cc: Trond Myklebust Subject: [PATCH 2/7] NFSv4.1: add callback to nfs4_write_done Date: Mon, 21 Feb 2011 12:49:31 -0500 Message-Id: <1298310576-13523-3-git-send-email-iisaman@netapp.com> In-Reply-To: <1298310576-13523-1-git-send-email-iisaman@netapp.com> References: <1298310576-13523-1-git-send-email-iisaman@netapp.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Content-Type: text/plain MIME-Version: 1.0 Add callback that pnfs layout driver can use to do its own handling of data server WRITE response. Signed-off-by: Fred Isaman --- fs/nfs/nfs4proc.c | 14 ++++++++++---- include/linux/nfs_xdr.h | 1 + 2 files changed, 11 insertions(+), 4 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index f91e259..bfdd36a 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3122,13 +3122,10 @@ void nfs4_reset_read(struct rpc_task *task, struct nfs_read_data *data) } EXPORT_SYMBOL_GPL(nfs4_reset_read); -static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data) +static int nfs4_write_done_cb(struct rpc_task *task, struct nfs_write_data *data) { struct inode *inode = data->inode; - if (!nfs4_sequence_done(task, &data->res.seq_res)) - return -EAGAIN; - if (nfs4_async_handle_error(task, NFS_SERVER(inode), data->args.context->state) == -EAGAIN) { nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client); return -EAGAIN; @@ -3140,11 +3137,20 @@ static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data) return 0; } +static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data) +{ + if (!nfs4_sequence_done(task, &data->res.seq_res)) + return -EAGAIN; + return data->write_done_cb(task, data); +} + static void nfs4_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) { struct nfs_server *server = NFS_SERVER(data->inode); data->args.bitmask = server->cache_consistency_bitmask; + if (!data->write_done_cb) + data->write_done_cb = nfs4_write_done_cb; data->res.server = server; data->timestamp = jiffies; diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index eb0e870..21cd41d 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1038,6 +1038,7 @@ struct nfs_write_data { unsigned int npages; /* Max length of pagevec */ struct nfs_writeargs args; /* argument struct */ struct nfs_writeres res; /* result struct */ + int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data); #ifdef CONFIG_NFS_V4 unsigned long timestamp; /* For lease renewal */ #endif -- 1.7.2.1