From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49548) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Whz5V-0003RC-Jc for qemu-devel@nongnu.org; Wed, 07 May 2014 06:28:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Whz5P-0005py-D9 for qemu-devel@nongnu.org; Wed, 07 May 2014 06:28:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:14770) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Whz5P-0005pq-5t for qemu-devel@nongnu.org; Wed, 07 May 2014 06:28:27 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s47ASQEt011650 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 7 May 2014 06:28:26 -0400 From: Stefan Hajnoczi Date: Wed, 7 May 2014 12:27:37 +0200 Message-Id: <1399458461-3997-22-git-send-email-stefanha@redhat.com> In-Reply-To: <1399458461-3997-1-git-send-email-stefanha@redhat.com> References: <1399458461-3997-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PATCH v2 21/25] 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 , Paolo Bonzini , Stefan Hajnoczi 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. Reviewed-by: 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