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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 <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Fred Isaman 2011-03-03 15:13:42 +00:00 committed by Trond Myklebust
parent d138d5d17b
commit b029bc9b08
2 changed files with 11 additions and 4 deletions
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14
fs/nfs/nfs4proc.c
View File

@ -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;

1
include/linux/nfs_xdr.h
View File

@ -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