From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NFA2g-0003oI-IZ for qemu-devel@nongnu.org; Mon, 30 Nov 2009 12:28:07 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NFA2W-0003gl-Gx for qemu-devel@nongnu.org; Mon, 30 Nov 2009 12:28:01 -0500 Received: from [199.232.76.173] (port=36074 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NFA2V-0003gA-Qo for qemu-devel@nongnu.org; Mon, 30 Nov 2009 12:27:56 -0500 Received: from david.siemens.de ([192.35.17.14]:22223) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NFA2U-0004fW-VH for qemu-devel@nongnu.org; Mon, 30 Nov 2009 12:27:55 -0500 Resent-To: Anthony Liguori Resent-Message-Id: <4B140096.8040803@siemens.com> From: Jan Kiszka Date: Mon, 30 Nov 2009 18:21:22 +0100 Message-ID: <20091130172121.22889.28291.stgit@mchn012c.ww002.siemens.net> In-Reply-To: <20091130172119.22889.28114.stgit@mchn012c.ww002.siemens.net> References: <20091130172119.22889.28114.stgit@mchn012c.ww002.siemens.net> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [PATCH 23/23] block migration: Increase dirty chunk size to 1M List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori Cc: qemu-devel@nongnu.org, Liran Schour , Pierre Riteau 4K is too small for efficiently saving and restoring multi-GB block devices. Signed-off-by: Jan Kiszka --- block.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/block.h b/block.h index 3513712..4a8b628 100644 --- a/block.h +++ b/block.h @@ -192,7 +192,7 @@ int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf, int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf, int64_t pos, int size); -#define BDRV_SECTORS_PER_DIRTY_CHUNK 8 +#define BDRV_SECTORS_PER_DIRTY_CHUNK 2048 void bdrv_set_dirty_tracking(BlockDriverState *bs, int enable); int bdrv_get_dirty(BlockDriverState *bs, int64_t sector);