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[Qemu-devel] [PULL 4/5] block: add .bdrv_reopen_prepare() stub for iscsi
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 4/5] block: add .bdrv_reopen_prepare() stub for iscsi |
Date: |
Thu, 23 Jan 2014 12:53:55 +0100 |
From: Jeff Cody <address@hidden>
To suppport reopen(), the .bdrv_reopen_prepare() stub must exist.
iSCSI does not have anything that needs to be done to support reopen,
so we can just implement the _prepare() stub.
Signed-off-by: Jeff Cody <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
block/iscsi.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/block/iscsi.c b/block/iscsi.c
index c0ea0c4..5976bd1 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1326,6 +1326,14 @@ static void iscsi_close(BlockDriverState *bs)
memset(iscsilun, 0, sizeof(IscsiLun));
}
+/* We have nothing to do for iSCSI reopen, stub just returns
+ * success */
+static int iscsi_reopen_prepare(BDRVReopenState *state,
+ BlockReopenQueue *queue, Error **errp)
+{
+ return 0;
+}
+
static int iscsi_truncate(BlockDriverState *bs, int64_t offset)
{
IscsiLun *iscsilun = bs->opaque;
@@ -1434,6 +1442,7 @@ static BlockDriver bdrv_iscsi = {
.bdrv_close = iscsi_close,
.bdrv_create = iscsi_create,
.create_options = iscsi_create_options,
+ .bdrv_reopen_prepare = iscsi_reopen_prepare,
.bdrv_getlength = iscsi_getlength,
.bdrv_get_info = iscsi_get_info,
--
1.8.3.1