X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=net%2Fsunrpc%2Fsched.c;h=a1ab4eed41f4b5a495f18573aef04b3457403ba3;hb=63c422afe3739b68bec0b5c42807d1450c951caf;hp=b9969b91a9f73a5f149b6e5403c358a0207b0662;hpb=3661f00e2097676847deb01add1a0918044bd816;p=powerpc.git diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index b9969b91a9..a1ab4eed41 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -21,7 +21,6 @@ #include #include -#include #ifdef RPC_DEBUG #define RPCDBG_FACILITY RPCDBG_SCHED @@ -44,12 +43,6 @@ static void __rpc_default_timer(struct rpc_task *task); static void rpciod_killall(void); static void rpc_async_schedule(void *); -/* - * RPC tasks that create another task (e.g. for contacting the portmapper) - * will wait on this queue for their child's completion - */ -static RPC_WAITQ(childq, "childq"); - /* * RPC tasks sit here while waiting for conditions to improve. */ @@ -323,16 +316,6 @@ static void rpc_make_runnable(struct rpc_task *task) wake_up_bit(&task->tk_runstate, RPC_TASK_QUEUED); } -/* - * Place a newly initialized task on the workqueue. - */ -static inline void -rpc_schedule_run(struct rpc_task *task) -{ - rpc_set_active(task); - rpc_make_runnable(task); -} - /* * Prepare for sleeping on a wait queue. * By always appending tasks to the list we ensure FIFO behavior. @@ -559,24 +542,20 @@ void rpc_wake_up_status(struct rpc_wait_queue *queue, int status) spin_unlock_bh(&queue->lock); } +static void __rpc_atrun(struct rpc_task *task) +{ + rpc_wake_up_task(task); +} + /* * Run a task at a later time */ -static void __rpc_atrun(struct rpc_task *); -void -rpc_delay(struct rpc_task *task, unsigned long delay) +void rpc_delay(struct rpc_task *task, unsigned long delay) { task->tk_timeout = delay; rpc_sleep_on(&delay_queue, task, NULL, __rpc_atrun); } -static void -__rpc_atrun(struct rpc_task *task) -{ - task->tk_status = 0; - rpc_wake_up_task(task); -} - /* * Helper to call task->tk_ops->rpc_call_prepare */ @@ -933,72 +912,6 @@ struct rpc_task *rpc_run_task(struct rpc_clnt *clnt, int flags, } EXPORT_SYMBOL(rpc_run_task); -/** - * rpc_find_parent - find the parent of a child task. - * @child: child task - * @parent: parent task - * - * Checks that the parent task is still sleeping on the - * queue 'childq'. If so returns a pointer to the parent. - * Upon failure returns NULL. - * - * Caller must hold childq.lock - */ -static inline struct rpc_task *rpc_find_parent(struct rpc_task *child, struct rpc_task *parent) -{ - struct rpc_task *task; - struct list_head *le; - - task_for_each(task, le, &childq.tasks[0]) - if (task == parent) - return parent; - - return NULL; -} - -static void rpc_child_exit(struct rpc_task *child, void *calldata) -{ - struct rpc_task *parent; - - spin_lock_bh(&childq.lock); - if ((parent = rpc_find_parent(child, calldata)) != NULL) { - parent->tk_status = child->tk_status; - __rpc_wake_up_task(parent); - } - spin_unlock_bh(&childq.lock); -} - -static const struct rpc_call_ops rpc_child_ops = { - .rpc_call_done = rpc_child_exit, -}; - -/* - * Note: rpc_new_task releases the client after a failure. - */ -struct rpc_task * -rpc_new_child(struct rpc_clnt *clnt, struct rpc_task *parent) -{ - struct rpc_task *task; - - task = rpc_new_task(clnt, RPC_TASK_ASYNC | RPC_TASK_CHILD, &rpc_child_ops, parent); - if (!task) - goto fail; - return task; - -fail: - parent->tk_status = -ENOMEM; - return NULL; -} - -void rpc_run_child(struct rpc_task *task, struct rpc_task *child, rpc_action func) -{ - spin_lock_bh(&childq.lock); - /* N.B. Is it possible for the child to have already finished? */ - __rpc_sleep_on(&childq, task, func, NULL); - rpc_schedule_run(child); - spin_unlock_bh(&childq.lock); -} - /* * Kill all tasks for the given client. * XXX: kill their descendants as well? @@ -1146,10 +1059,10 @@ rpc_destroy_mempool(void) mempool_destroy(rpc_buffer_mempool); if (rpc_task_mempool) mempool_destroy(rpc_task_mempool); - if (rpc_task_slabp && kmem_cache_destroy(rpc_task_slabp)) - printk(KERN_INFO "rpc_task: not all structures were freed\n"); - if (rpc_buffer_slabp && kmem_cache_destroy(rpc_buffer_slabp)) - printk(KERN_INFO "rpc_buffers: not all structures were freed\n"); + if (rpc_task_slabp) + kmem_cache_destroy(rpc_task_slabp); + if (rpc_buffer_slabp) + kmem_cache_destroy(rpc_buffer_slabp); } int @@ -1167,16 +1080,12 @@ rpc_init_mempool(void) NULL, NULL); if (!rpc_buffer_slabp) goto err_nomem; - rpc_task_mempool = mempool_create(RPC_TASK_POOLSIZE, - mempool_alloc_slab, - mempool_free_slab, - rpc_task_slabp); + rpc_task_mempool = mempool_create_slab_pool(RPC_TASK_POOLSIZE, + rpc_task_slabp); if (!rpc_task_mempool) goto err_nomem; - rpc_buffer_mempool = mempool_create(RPC_BUFFER_POOLSIZE, - mempool_alloc_slab, - mempool_free_slab, - rpc_buffer_slabp); + rpc_buffer_mempool = mempool_create_slab_pool(RPC_BUFFER_POOLSIZE, + rpc_buffer_slabp); if (!rpc_buffer_mempool) goto err_nomem; return 0;