From patchwork Thu Aug 2 10:16:38 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [RFC,06/12] qorum: Add qorum_getlength(). From: Benoit Canet X-Patchwork-Id: 174726 Message-Id: <1343902604-13981-7-git-send-email-benoit@irqsave.net> To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, pbonzini@redhat.com, stefanha@linux.vnet.ibm.com, =?UTF-8?q?Beno=C3=AEt=20Canet?= Date: Thu, 2 Aug 2012 12:16:38 +0200 Signed-off-by: Benoit Canet --- block/qorum.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/block/qorum.c b/block/qorum.c index 006ab8c..37f6514 100644 --- a/block/qorum.c +++ b/block/qorum.c @@ -119,12 +119,29 @@ static void qorum_close(BlockDriverState *bs) } } +static int64_t qorum_getlength(BlockDriverState *bs) +{ + BDRVQorumState *s = bs->opaque; + int i; + int64_t ret; + + /* return the length of the first available qorum file */ + for (i = 0, ret = bdrv_getlength(s->bs[i]); + ret == -ENOMEDIUM && i <= 2; + i++, ret = bdrv_getlength(s->bs[i])) { + } + + return ret; +} + static BlockDriver bdrv_qorum = { .format_name = "qorum", .protocol_name = "qorum", .instance_size = sizeof(BDRVQorumState), + .bdrv_getlength = qorum_getlength, + .bdrv_file_open = qorum_open, .bdrv_close = qorum_close, };