From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54265) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eEexc-0006s3-H4 for qemu-devel@nongnu.org; Tue, 14 Nov 2017 12:25:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eEexb-0004m0-7t for qemu-devel@nongnu.org; Tue, 14 Nov 2017 12:25:20 -0500 From: Max Reitz Date: Tue, 14 Nov 2017 18:24:15 +0100 Message-Id: <20171114172417.7654-19-mreitz@redhat.com> In-Reply-To: <20171114172417.7654-1-mreitz@redhat.com> References: <20171114172417.7654-1-mreitz@redhat.com> Subject: [Qemu-devel] [PULL 18/20] block/parallels: Do not update header or truncate image when INMIGRATE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, Max Reitz , Peter Maydell , Kevin Wolf , Jeff Cody From: Jeff Cody If we write or modify the image file while the QEMU run state is INMIGRATE, then the BDRV_O_INACTIVE BDS flag is set. This will cause an assert, since the image is marked inactive. Make sure we obey this flag. Tested-by: Alexey Kardashevskiy Signed-off-by: Jeff Cody Message-id: 3996c930fa8cde8570b7a63032720d76a28fd78b.1510059970.git.jcody@redhat.com Reviewed-by: Stefan Hajnoczi Reviewed-by: Denis V. Lunev Signed-off-by: Max Reitz --- block/parallels.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index 2b6c6e5709..7b7a3efa1d 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -708,7 +708,7 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags, s->prealloc_mode = PRL_PREALLOC_MODE_FALLOCATE; } - if (flags & BDRV_O_RDWR) { + if ((flags & BDRV_O_RDWR) && !(flags & BDRV_O_INACTIVE)) { s->header->inuse = cpu_to_le32(HEADER_INUSE_MAGIC); ret = parallels_update_header(bs); if (ret < 0) { @@ -741,12 +741,9 @@ static void parallels_close(BlockDriverState *bs) { BDRVParallelsState *s = bs->opaque; - if (bs->open_flags & BDRV_O_RDWR) { + if ((bs->open_flags & BDRV_O_RDWR) && !(bs->open_flags & BDRV_O_INACTIVE)) { s->header->inuse = 0; parallels_update_header(bs); - } - - if (bs->open_flags & BDRV_O_RDWR) { bdrv_truncate(bs->file, s->data_end << BDRV_SECTOR_BITS, PREALLOC_MODE_OFF, NULL); } -- 2.13.6