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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-01-03 08:55:18 (GMT) |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-01-06 19:58:44 (GMT) |
commit | fe650407a86823bcafbfbee96c7bc6a1b5cd1c76 (patch) | |
tree | 38e899d40fabba538bb558c0dcc3d38f830beadb /fs/nfs | |
parent | a5d16a4d090bd2af86e648ed9bb205903fcf1e86 (diff) | |
download | linux-fsl-qoriq-fe650407a86823bcafbfbee96c7bc6a1b5cd1c76.tar.xz |
NFSv4: Make DELEGRETURN an interruptible operation.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r-- | fs/nfs/nfs4proc.c | 68 |
1 files changed, 60 insertions, 8 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 718fcc7..f060e65 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -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) |