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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>
This commit is contained in:
Paolo Bonzini 2012-06-06 08:10:41 +02:00 committed by Kevin Wolf
parent 368e8dd10a
commit e130225587
1 changed files with 6 additions and 0 deletions
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6
block/blkdebug.c
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@ -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 = { static BlockDriver bdrv_blkdebug = {
.format_name = "blkdebug", .format_name = "blkdebug",
.protocol_name = "blkdebug", .protocol_name = "blkdebug",
@ -437,6 +442,7 @@ static BlockDriver bdrv_blkdebug = {
.bdrv_file_open = blkdebug_open, .bdrv_file_open = blkdebug_open,
.bdrv_close = blkdebug_close, .bdrv_close = blkdebug_close,
.bdrv_getlength = blkdebug_getlength,
.bdrv_aio_readv = blkdebug_aio_readv, .bdrv_aio_readv = blkdebug_aio_readv,
.bdrv_aio_writev = blkdebug_aio_writev, .bdrv_aio_writev = blkdebug_aio_writev,