NTFS: - Add disable_sparse mount option together with a per volume sparse

[safe/jmp/linux-2.6] / fs / aio.c

diff --git a/fs/aio.c b/fs/aio.c
index 674bb47..7afa222 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1514,10 +1514,14 @@ int fastcall io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
                goto out_put_req;
 
        spin_lock_irq(&ctx->ctx_lock);
-       list_add_tail(&req->ki_run_list, &ctx->run_list);
-       /* drain the run list */
-       while (__aio_run_iocbs(ctx))
-               ;
+       if (likely(list_empty(&ctx->run_list))) {
+               aio_run_iocb(req);
+       } else {
+               list_add_tail(&req->ki_run_list, &ctx->run_list);
+               /* drain the run list */
+               while (__aio_run_iocbs(ctx))
+                       ;
+       }
        spin_unlock_irq(&ctx->ctx_lock);
        aio_put_req(req);       /* drop extra ref to req */
        return 0;