Signed-off-by: Benoit Canet <ben...@irqsave.net>
---
block/Makefile.objs | 1 +
block/quorum.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 46 insertions(+)
create mode 100644 block/quorum.c
diff --git a/block/Makefile.objs b/block/Makefile.objs
index c067f38..4143e34 100644
--- a/block/Makefile.objs
+++ b/block/Makefile.objs
@@ -2,6 +2,7 @@ block-obj-y += raw.o cow.o qcow.o vdi.o vmdk.o cloop.o dmg.o
bochs.o vpc.o vvfat
block-obj-y += qcow2.o qcow2-refcount.o qcow2-cluster.o qcow2-snapshot.o
qcow2-cache.o
block-obj-y += qed.o qed-gencb.o qed-l2-cache.o qed-table.o qed-cluster.o
block-obj-y += qed-check.o
+block-obj-y += quorum.o
block-obj-y += parallels.o blkdebug.o blkverify.o
block-obj-$(CONFIG_WIN32) += raw-win32.o win32-aio.o
block-obj-$(CONFIG_POSIX) += raw-posix.o
diff --git a/block/quorum.c b/block/quorum.c
new file mode 100644
index 0000000..ce094a1
--- /dev/null
+++ b/block/quorum.c
@@ -0,0 +1,45 @@
+/*
+ * Quorum Block filter
+ *
+ * Copyright (C) 2012-2013 Nodalink, SARL.
+ *
+ * Author:
+ * Benoît Canet <benoit.ca...@irqsave.net>
+ *
+ * Based on the design and code of blkverify.c (Copyright (C) 2010 IBM, Corp)
+ * and blkmirror.c (Copyright (C) 2011 Red Hat, Inc).
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "block/block_int.h"
+
+typedef struct QuorumAIOCB QuorumAIOCB;
+
+typedef struct QuorumSingleAIOCB {
+ BlockDriverAIOCB *aiocb;
+ uint8_t *buf;
+ int ret;
+ QuorumAIOCB *parent;
+} QuorumSingleAIOCB;
+
+struct QuorumAIOCB {
+ BlockDriverAIOCB common;
+ QEMUBH *bh;
+
+ /* Request metadata */
+ uint64_t sector_num;
+ int nb_sectors;
+
+ QEMUIOVector *qiov; /* calling readv IOV */
+
+ QuorumSingleAIOCB *aios; /* individual AIOs */
+ QEMUIOVector *qiovs; /* individual IOVs */
+ int count; /* number of completed AIOCB */
+ int success_count; /* number of successfully completed AIOCB */
+ bool *finished; /* completion signal for cancel */
+
+ void (*vote)(QuorumAIOCB *acb);
+ int vote_ret;
+};
--
1.7.10.4
