perf evlist: Support non overwrite mode in perf_evlist__read_on_cpu

[pandora-kernel.git] / fs / aio.c

diff --git a/fs/aio.c b/fs/aio.c
index 8c8f6c5..fc557a3 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -87,7 +87,7 @@ static int __init aio_setup(void)
 
        aio_wq = create_workqueue("aio");
        abe_pool = mempool_create_kmalloc_pool(1, sizeof(struct aio_batch_entry));
-       BUG_ON(!abe_pool);
+       BUG_ON(!aio_wq || !abe_pool);
 
        pr_debug("aio_setup: sizeof(struct page) = %d\n", (int)sizeof(struct page));
 
@@ -798,29 +798,12 @@ static void aio_queue_work(struct kioctx * ctx)
        queue_delayed_work(aio_wq, &ctx->wq, timeout);
 }
 
-
-/*
- * aio_run_iocbs:
- *     Process all pending retries queued on the ioctx
- *     run list.
- * Assumes it is operating within the aio issuer's mm
- * context.
- */
-static inline void aio_run_iocbs(struct kioctx *ctx)
-{
-       int requeue;
-
-       spin_lock_irq(&ctx->ctx_lock);
-
-       requeue = __aio_run_iocbs(ctx);
-       spin_unlock_irq(&ctx->ctx_lock);
-       if (requeue)
-               aio_queue_work(ctx);
-}
-
 /*
- * just like aio_run_iocbs, but keeps running them until
- * the list stays empty
+ * aio_run_all_iocbs:
+ *     Process all pending retries queued on the ioctx
+ *     run list, and keep running them until the list
+ *     stays empty.
+ * Assumes it is operating within the aio issuer's mm context.
  */
 static inline void aio_run_all_iocbs(struct kioctx *ctx)
 {
@@ -1839,7 +1822,7 @@ SYSCALL_DEFINE5(io_getevents, aio_context_t, ctx_id,
        long ret = -EINVAL;
 
        if (likely(ioctx)) {
-               if (likely(min_nr <= nr && min_nr >= 0 && nr >= 0))
+               if (likely(min_nr <= nr && min_nr >= 0))
                        ret = read_events(ioctx, min_nr, nr, events, timeout);
                put_ioctx(ioctx);
        }