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block: remove bdrv_truncate callback in blkdebug 

Now that bdrv_truncate is passed to bs->file by default, remove the
callback from block/blkdebug.c and set is_filter to true. is_filter also gives
access to other callbacks that are forwarded automatically to bs->file for
filters.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Manos Pitsidianakis <el13635@mail.ntua.gr>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Manos Pitsidianakis 2017-07-13 18:30:27 +03:00 committed by Kevin Wolf
parent f024aee867
commit d8e12cd322
1 changed files with 1 additions and 7 deletions
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8
block/blkdebug.c
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@ -808,12 +808,6 @@ static int64_t blkdebug_getlength(BlockDriverState *bs)
return bdrv_getlength(bs->file->bs);
}
static int blkdebug_truncate(BlockDriverState *bs, int64_t offset,
PreallocMode prealloc, Error **errp)
{
return bdrv_truncate(bs->file, offset, prealloc, errp);
}
static void blkdebug_refresh_filename(BlockDriverState *bs, QDict *options)
{
BDRVBlkdebugState *s = bs->opaque;
@ -896,6 +890,7 @@ static BlockDriver bdrv_blkdebug = {
.format_name = "blkdebug",
.protocol_name = "blkdebug",
.instance_size = sizeof(BDRVBlkdebugState),
.is_filter = true,
.bdrv_parse_filename = blkdebug_parse_filename,
.bdrv_file_open = blkdebug_open,
@ -904,7 +899,6 @@ static BlockDriver bdrv_blkdebug = {
.bdrv_child_perm = bdrv_filter_default_perms,
.bdrv_getlength = blkdebug_getlength,
.bdrv_truncate = blkdebug_truncate,
.bdrv_refresh_filename = blkdebug_refresh_filename,
.bdrv_refresh_limits = blkdebug_refresh_limits,