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authorFam Zheng <famz@redhat.com>2014-05-23 21:29:45 +0800
committerStefan Hajnoczi <stefanha@redhat.com>2014-05-28 14:28:46 +0200
commit8d24cce1e325c4bd47a8b1984d6db599f5a7a8e9 (patch)
tree96c3f7d01cc9330337f3b79e3332632dd4c1d3c3 /include/block/block.h
parent628ff683034c83ce54a1ae91d898d44e34f4851a (diff)
downloadhqemu-8d24cce1e325c4bd47a8b1984d6db599f5a7a8e9.zip
hqemu-8d24cce1e325c4bd47a8b1984d6db599f5a7a8e9.tar.gz
block: Add bdrv_set_backing_hd()
This is the common but non-trivial steps to assign or change the backing_hd of BDS. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/block/block.h')
-rw-r--r--include/block/block.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 22935f1..faee3aa 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -216,6 +216,7 @@ int bdrv_parse_discard_flags(const char *mode, int *flags);
int bdrv_open_image(BlockDriverState **pbs, const char *filename,
QDict *options, const char *bdref_key, int flags,
bool allow_none, Error **errp);
+void bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd);
int bdrv_open_backing_file(BlockDriverState *bs, QDict *options, Error **errp);
void bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp);
int bdrv_open(BlockDriverState **pbs, const char *filename,
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