From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f70.google.com (mail-pa0-f70.google.com [209.85.220.70]) by kanga.kvack.org (Postfix) with ESMTP id B54026B0270 for ; Mon, 25 Jul 2016 20:36:46 -0400 (EDT) Received: by mail-pa0-f70.google.com with SMTP id ez1so359931084pab.0 for ; Mon, 25 Jul 2016 17:36:46 -0700 (PDT) Received: from mga04.intel.com (mga04.intel.com. [192.55.52.120]) by mx.google.com with ESMTP id 185si36111454pfu.115.2016.07.25.17.36.12 for ; Mon, 25 Jul 2016 17:36:25 -0700 (PDT) From: "Kirill A. Shutemov" Subject: [PATCHv1, RFC 18/33] HACK: block: bump BIO_MAX_PAGES Date: Tue, 26 Jul 2016 03:35:20 +0300 Message-Id: <1469493335-3622-19-git-send-email-kirill.shutemov@linux.intel.com> In-Reply-To: <1469493335-3622-1-git-send-email-kirill.shutemov@linux.intel.com> References: <1469493335-3622-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Theodore Ts'o , Andreas Dilger , Jan Kara Cc: Alexander Viro , Hugh Dickins , Andrea Arcangeli , Andrew Morton , Dave Hansen , Vlastimil Babka , Matthew Wilcox , Ross Zwisler , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, "Kirill A. Shutemov" We are going to do IO a huge page a time. For x86-64, it's 512 pages, so we need to double current BIO_MAX_PAGES. To be portable to other archtectures we need more generic solution. Signed-off-by: Kirill A. Shutemov --- include/linux/bio.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/bio.h b/include/linux/bio.h index b7e1a00810f2..e10c67f21366 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -40,7 +40,7 @@ #define BIO_BUG_ON #endif -#define BIO_MAX_PAGES 256 +#define BIO_MAX_PAGES 512 #define bio_prio(bio) (bio)->bi_ioprio #define bio_set_prio(bio, prio) ((bio)->bi_ioprio = prio) -- 2.8.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org