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NFSv4: Make DELEGRETURN an interruptible operation. 

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2006-01-03 09:55:18 +01:00
parent a5d16a4d09
commit fe650407a8
1 changed files with 60 additions and 8 deletions
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68
fs/nfs/nfs4proc.c
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@ -2885,19 +2885,71 @@ nfs4_proc_setclientid_confirm(struct nfs4_client *clp)
return status;
}
static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid)
struct nfs4_delegreturndata {
struct nfs4_delegreturnargs args;
struct nfs_fh fh;
nfs4_stateid stateid;
struct rpc_cred *cred;
int rpc_status;
};
static void nfs4_delegreturn_prepare(struct rpc_task *task, void *calldata)
{
struct nfs4_delegreturnargs args = {
.fhandle = NFS_FH(inode),
.stateid = stateid,
};
struct nfs4_delegreturndata *data = calldata;
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_DELEGRETURN],
.rpc_argp = &args,
.rpc_cred = cred,
.rpc_argp = &data->args,
.rpc_cred = data->cred,
};
rpc_call_setup(task, &msg, 0);
}
return rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
{
struct nfs4_delegreturndata *data = calldata;
data->rpc_status = task->tk_status;
}
static void nfs4_delegreturn_release(void *calldata)
{
struct nfs4_delegreturndata *data = calldata;
put_rpccred(data->cred);
kfree(calldata);
}
const static struct rpc_call_ops nfs4_delegreturn_ops = {
.rpc_call_prepare = nfs4_delegreturn_prepare,
.rpc_call_done = nfs4_delegreturn_done,
.rpc_release = nfs4_delegreturn_release,
};
static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid)
{
struct nfs4_delegreturndata *data;
struct rpc_task *task;
int status;
data = kmalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
data->args.fhandle = &data->fh;
data->args.stateid = &data->stateid;
nfs_copy_fh(&data->fh, NFS_FH(inode));
memcpy(&data->stateid, stateid, sizeof(data->stateid));
data->cred = get_rpccred(cred);
data->rpc_status = 0;
task = rpc_run_task(NFS_CLIENT(inode), RPC_TASK_ASYNC, &nfs4_delegreturn_ops, data);
if (IS_ERR(task)) {
nfs4_delegreturn_release(data);
return PTR_ERR(task);
}
status = nfs4_wait_for_completion_rpc_task(task);
if (status == 0)
status = data->rpc_status;
rpc_release_task(task);
return status;
}
int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid)