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[7/7] block: qcow image file reopen

Message ID 75fe63c11c414cfe7dc7edbd58d32f2c6dabba5d.1346352124.git.jcody@redhat.com
State New
Headers show

Commit Message

Jeff Cody Aug. 30, 2012, 6:47 p.m. UTC 
These are the stubs for the file reopen drivers for the qcow format.

There is currently nothing that needs to be done by the qcow driver
in reopen.

Signed-off-by: Jeff Cody <jcody@redhat.com>
---
 block/qcow.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
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Patch

diff --git a/block/qcow.c b/block/qcow.c
index 7b5ab87..f201575 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -197,6 +197,26 @@  static int qcow_open(BlockDriverState *bs, int flags)
     return ret;
 }
 
+
+/* We have nothing to do for QCOW reopen, stubs just return
+ * success */
+static int qcow_reopen_prepare(BDRVReopenState *state, Error **errp)
+{
+    return 0;
+}
+
+static void qcow_reopen_commit(BDRVReopenState *state)
+{
+    return;
+}
+
+static void qcow_reopen_abort(BDRVReopenState *state)
+{
+    return;
+}
+
+
+
 static int qcow_set_key(BlockDriverState *bs, const char *key)
 {
     BDRVQcowState *s = bs->opaque;
@@ -868,6 +888,9 @@  static BlockDriver bdrv_qcow = {
     .bdrv_probe		= qcow_probe,
     .bdrv_open		= qcow_open,
     .bdrv_close		= qcow_close,
+    .bdrv_reopen_prepare = qcow_reopen_prepare,
+    .bdrv_reopen_commit  = qcow_reopen_commit,
+    .bdrv_reopen_abort   = qcow_reopen_abort,
     .bdrv_create	= qcow_create,
 
     .bdrv_co_readv          = qcow_co_readv,