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nfs41: layout return on close in delegation return 

If file is not opened by anyone, we do layout return on close
in delegation return.

Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Peng Tao 2014-07-03 13:05:02 +08:00 committed by Trond Myklebust
parent fe08c54691
commit 039b756a2d
1 changed files with 16 additions and 1 deletions
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17
fs/nfs/nfs4proc.c
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@ -5030,6 +5030,9 @@ struct nfs4_delegreturndata {
unsigned long timestamp;
struct nfs_fattr fattr;
int rpc_status;
struct inode *inode;
bool roc;
u32 roc_barrier;
};
static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
@ -5043,7 +5046,6 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
switch (task->tk_status) {
case 0:
renew_lease(data->res.server, data->timestamp);
break;
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_DELEG_REVOKED:
case -NFS4ERR_BAD_STATEID:
@ -5051,6 +5053,8 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_EXPIRED:
task->tk_status = 0;
if (data->roc)
pnfs_roc_set_barrier(data->inode, data->roc_barrier);
break;
default:
if (nfs4_async_handle_error(task, data->res.server, NULL) ==
@ -5064,6 +5068,10 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
static void nfs4_delegreturn_release(void *calldata)
{
struct nfs4_delegreturndata *data = calldata;
if (data->roc)
pnfs_roc_release(data->inode);
kfree(calldata);
}
@ -5073,6 +5081,10 @@ static void nfs4_delegreturn_prepare(struct rpc_task *task, void *data)
d_data = (struct nfs4_delegreturndata *)data;
if (d_data->roc &&
pnfs_roc_drain(d_data->inode, &d_data->roc_barrier, task))
return;
nfs4_setup_sequence(d_data->res.server,
&d_data->args.seq_args,
&d_data->res.seq_res,
@ -5116,6 +5128,9 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co
nfs_fattr_init(data->res.fattr);
data->timestamp = jiffies;
data->rpc_status = 0;
data->inode = inode;
data->roc = list_empty(&NFS_I(inode)->open_files) ?
pnfs_roc(inode) : false;
task_setup_data.callback_data = data;
msg.rpc_argp = &data->args;