From b029bc9b0880cbaf999f580c0ea8f06dd274fc77 Mon Sep 17 00:00:00 2001 From: Fred Isaman Date: Thu, 3 Mar 2011 15:13:42 +0000 Subject: [PATCH] NFSv4.1: add callback to nfs4_write_done Add callback that pnfs layout driver can use to do its own handling of data server WRITE response. Signed-off-by: Fred Isaman Signed-off-by: Trond Myklebust --- 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 1dc809039448..15248549c89f 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3123,13 +3123,10 @@ 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; @@ -3141,11 +3138,20 @@ 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 eb0e87084353..21cd41ddbca6 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 -- 2.20.1