From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40285) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ettZJ-0004Wk-KU for qemu-devel@nongnu.org; Thu, 08 Mar 2018 06:18:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ettZG-0001zN-E2 for qemu-devel@nongnu.org; Thu, 08 Mar 2018 06:18:41 -0500 Received: from mx-v6.kamp.de ([2a02:248:0:51::16]:34310 helo=mx01.kamp.de) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ettZG-0001yV-4q for qemu-devel@nongnu.org; Thu, 08 Mar 2018 06:18:38 -0500 Received: from submission.kamp.de ([195.62.97.28]) by kerio.kamp.de with ESMTPS (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256 bits)) for qemu-devel@nongnu.org; Thu, 8 Mar 2018 12:18:28 +0100 From: Peter Lieven Date: Thu, 8 Mar 2018 12:18:26 +0100 Message-Id: <1520507908-16743-4-git-send-email-pl@kamp.de> In-Reply-To: <1520507908-16743-1-git-send-email-pl@kamp.de> References: <1520507908-16743-1-git-send-email-pl@kamp.de> Subject: [Qemu-devel] [PATCH 3/5] migration/block: rename MAX_INFLIGHT_IO to MAX_IO_BUFFERS List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, qemu-block@nongnu.org Cc: dgilbert@redhat.com, quintela@redhat.com, famz@redhat.com, stefanha@redhat.com, jjherne@linux.vnet.ibm.com, Peter Lieven this actually limits (as the original commit mesage suggests) the number of I/O buffers that can be allocated and not the number of parallel (inflight) I/O requests. Signed-off-by: Peter Lieven --- migration/block.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/migration/block.c b/migration/block.c index 87bb35c..41b95d1 100644 --- a/migration/block.c +++ b/migration/block.c @@ -36,7 +36,7 @@ #define MAX_IS_ALLOCATED_SEARCH (65536 * BDRV_SECTOR_SIZE) -#define MAX_INFLIGHT_IO 512 +#define MAX_IO_BUFFERS 512 //#define DEBUG_BLK_MIGRATION @@ -775,9 +775,8 @@ static int block_save_iterate(QEMUFile *f, void *opaque) while ((block_mig_state.submitted + block_mig_state.read_done) * BLOCK_SIZE < qemu_file_get_rate_limit(f) && - (block_mig_state.submitted + - block_mig_state.read_done) < - MAX_INFLIGHT_IO) { + (block_mig_state.submitted + block_mig_state.read_done) < + MAX_IO_BUFFERS) { blk_mig_unlock(); if (block_mig_state.bulk_completed == 0) { /* first finish the bulk phase */ -- 2.7.4