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blkdebug: Add bdrv_truncate() 

This is, amongst others, required for qemu-iotests 033 to run as
intended on VHDX, which uses explicit bdrv_truncate() calls to bs->file
when allocating new blocks.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
This commit is contained in:
Kevin Wolf 2015-04-14 16:32:45 +02:00
parent e4f5874923
commit 8eedfbd4a5
1 changed files with 6 additions and 0 deletions
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6
block/blkdebug.c
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@ -721,6 +721,11 @@ static int64_t blkdebug_getlength(BlockDriverState *bs)
return bdrv_getlength(bs->file);
}
static int blkdebug_truncate(BlockDriverState *bs, int64_t offset)
{
return bdrv_truncate(bs->file, offset);
}
static void blkdebug_refresh_filename(BlockDriverState *bs)
{
QDict *opts;
@ -779,6 +784,7 @@ static BlockDriver bdrv_blkdebug = {
.bdrv_file_open = blkdebug_open,
.bdrv_close = blkdebug_close,
.bdrv_getlength = blkdebug_getlength,
.bdrv_truncate = blkdebug_truncate,
.bdrv_refresh_filename = blkdebug_refresh_filename,
.bdrv_aio_readv = blkdebug_aio_readv,