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authorPaolo Bonzini <pbonzini@redhat.com>2012-06-06 08:10:41 +0200
committerKevin Wolf <kwolf@redhat.com>2012-07-09 15:53:02 +0200
commite130225587cb0d48b2c0b7c04b6bf9c95fe75ac9 (patch)
tree0f016ee98186b6c075995c60d3cb5e6c80883937
parent368e8dd10a24a529612f37ba7370262f5ea5a814 (diff)
downloadfocaccia-qemu-e130225587cb0d48b2c0b7c04b6bf9c95fe75ac9.tar.gz
focaccia-qemu-e130225587cb0d48b2c0b7c04b6bf9c95fe75ac9.zip
blkdebug: pass getlength to underlying file
This is required when using blkdebug with raw format.  Unlike qcow2/QED,
raw asks blkdebug for the length of the file, it doesn't get it from
a header.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--block/blkdebug.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/block/blkdebug.c b/block/blkdebug.c
index 1f79ef2a00..b084a232cf 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -429,6 +429,11 @@ static void blkdebug_debug_event(BlockDriverState *bs, BlkDebugEvent event)
     }
 }
 
+static int64_t blkdebug_getlength(BlockDriverState *bs)
+{
+    return bdrv_getlength(bs->file);
+}
+
 static BlockDriver bdrv_blkdebug = {
     .format_name        = "blkdebug",
     .protocol_name      = "blkdebug",
@@ -437,6 +442,7 @@ static BlockDriver bdrv_blkdebug = {
 
     .bdrv_file_open     = blkdebug_open,
     .bdrv_close         = blkdebug_close,
+    .bdrv_getlength     = blkdebug_getlength,
 
     .bdrv_aio_readv     = blkdebug_aio_readv,
     .bdrv_aio_writev    = blkdebug_aio_writev,