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SUNRPC: Fix up missing BKL in asynchronous RPC callback functions

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2006-10-18 16:01:05 -04:00
parent 3e32a5d99a
commit bbd5a1f9fc
3 changed files with 13 additions and 6 deletions
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1
include/linux/sunrpc/sched.h
View file

@ -252,6 +252,7 @@ void rpc_init_task(struct rpc_task *task, struct rpc_clnt *clnt,
void rpc_put_task(struct rpc_task *); void rpc_put_task(struct rpc_task *);
void rpc_release_task(struct rpc_task *); void rpc_release_task(struct rpc_task *);
void rpc_exit_task(struct rpc_task *); void rpc_exit_task(struct rpc_task *);
void rpc_release_calldata(const struct rpc_call_ops *, void *);
void rpc_killall_tasks(struct rpc_clnt *); void rpc_killall_tasks(struct rpc_clnt *);
int rpc_execute(struct rpc_task *); int rpc_execute(struct rpc_task *);
void rpc_init_priority_wait_queue(struct rpc_wait_queue *, const char *); void rpc_init_priority_wait_queue(struct rpc_wait_queue *, const char *);

3
net/sunrpc/clnt.c
View file

@ -541,8 +541,7 @@ rpc_call_async(struct rpc_clnt *clnt, struct rpc_message *msg, int flags,
rpc_restore_sigmask(&oldset); rpc_restore_sigmask(&oldset);
return status; return status;
out_release: out_release:
if (tk_ops->rpc_release != NULL) rpc_release_calldata(tk_ops, data);
tk_ops->rpc_release(data);
return status; return status;
} }

15
net/sunrpc/sched.c
View file

@ -608,6 +608,15 @@ void rpc_exit_task(struct rpc_task *task)
} }
EXPORT_SYMBOL(rpc_exit_task); EXPORT_SYMBOL(rpc_exit_task);
void rpc_release_calldata(const struct rpc_call_ops *ops, void *calldata)
{
if (ops->rpc_release != NULL) {
lock_kernel();
ops->rpc_release(calldata);
unlock_kernel();
}
}
/* /*
* This is the RPC `scheduler' (or rather, the finite state machine). * This is the RPC `scheduler' (or rather, the finite state machine).
*/ */
@ -883,8 +892,7 @@ void rpc_put_task(struct rpc_task *task)
} }
if (task->tk_flags & RPC_TASK_DYNAMIC) if (task->tk_flags & RPC_TASK_DYNAMIC)
call_rcu_bh(&task->u.tk_rcu, rpc_free_task); call_rcu_bh(&task->u.tk_rcu, rpc_free_task);
if (tk_ops->rpc_release) rpc_release_calldata(tk_ops, calldata);
tk_ops->rpc_release(calldata);
} }
EXPORT_SYMBOL(rpc_put_task); EXPORT_SYMBOL(rpc_put_task);
@ -928,8 +936,7 @@ struct rpc_task *rpc_run_task(struct rpc_clnt *clnt, int flags,
struct rpc_task *task; struct rpc_task *task;
task = rpc_new_task(clnt, flags, ops, data); task = rpc_new_task(clnt, flags, ops, data);
if (task == NULL) { if (task == NULL) {
if (ops->rpc_release != NULL) rpc_release_calldata(ops, data);
ops->rpc_release(data);
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
} }
atomic_inc(&task->tk_count); atomic_inc(&task->tk_count);