From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39066) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WfsOx-0000l1-7p for qemu-devel@nongnu.org; Thu, 01 May 2014 10:56:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WfsOl-00049z-ES for qemu-devel@nongnu.org; Thu, 01 May 2014 10:55:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56555) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WfsOk-00049k-Mg for qemu-devel@nongnu.org; Thu, 01 May 2014 10:55:42 -0400 From: Stefan Hajnoczi Date: Thu, 1 May 2014 16:54:42 +0200 Message-Id: <1398956086-20171-19-git-send-email-stefanha@redhat.com> In-Reply-To: <1398956086-20171-1-git-send-email-stefanha@redhat.com> References: <1398956086-20171-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PATCH 18/22] vmdk: implement .bdrv_detach/attach_aio_context() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , Fam Zheng , "Shergill, Gurinder" , Stefan Hajnoczi , Paolo Bonzini , "Vinod, Chegu" Implement .bdrv_detach/attach_aio_context() interfaces to propagate detach/attach to BDRVVmdkState->extents[].file. The block layer takes care of ->file and ->backing_hd but doesn't know about our extents BlockDriverStates, which is also part of the graph. Cc: Fam Zheng Signed-off-by: Stefan Hajnoczi --- block/vmdk.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/block/vmdk.c b/block/vmdk.c index 06a1f9f..1ca944a 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -2063,6 +2063,27 @@ static ImageInfoSpecific *vmdk_get_specific_info(BlockDriverState *bs) return spec_info; } +static void vmdk_detach_aio_context(BlockDriverState *bs) +{ + BDRVVmdkState *s = bs->opaque; + int i; + + for (i = 0; i < s->num_extents; i++) { + bdrv_detach_aio_context(s->extents[i].file); + } +} + +static void vmdk_attach_aio_context(BlockDriverState *bs, + AioContext *new_context) +{ + BDRVVmdkState *s = bs->opaque; + int i; + + for (i = 0; i < s->num_extents; i++) { + bdrv_attach_aio_context(s->extents[i].file, new_context); + } +} + static QEMUOptionParameter vmdk_create_options[] = { { .name = BLOCK_OPT_SIZE, @@ -2118,6 +2139,8 @@ static BlockDriver bdrv_vmdk = { .bdrv_has_zero_init = vmdk_has_zero_init, .bdrv_get_specific_info = vmdk_get_specific_info, .bdrv_refresh_limits = vmdk_refresh_limits, + .bdrv_detach_aio_context = vmdk_detach_aio_context, + .bdrv_attach_aio_context = vmdk_attach_aio_context, .create_options = vmdk_create_options, }; -- 1.9.0