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block: Add errp to BD.bdrv_truncate()

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Add an Error parameter to the block drivers' bdrv_truncate() interface.
If a block driver does not set this in case of an error, the generic
bdrv_truncate() implementation will do so.

Where it is obvious, this patch also makes some block drivers set this
value.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20170328205129.15138-4-mreitz@redhat.com
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Max Reitz 2017-03-28 22:51:28 +02:00
parent ed3d2ec98a
commit 4bff28b81a
14 changed files with 31 additions and 31 deletions
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4
block/blkdebug.c
View file

@ -659,9 +659,9 @@ static int64_t blkdebug_getlength(BlockDriverState *bs)
return bdrv_getlength(bs->file->bs);
}
static int blkdebug_truncate(BlockDriverState *bs, int64_t offset)
static int blkdebug_truncate(BlockDriverState *bs, int64_t offset, Error **errp)
{
return bdrv_truncate(bs->file, offset, NULL);
return bdrv_truncate(bs->file, offset, errp);
}
static void blkdebug_refresh_filename(BlockDriverState *bs, QDict *options)