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block: introduce bdrv_get_block_status API

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For now, bdrv_get_block_status is just another name for bdrv_is_allocated.
The next patches will add more flags.

This also touches all block drivers with a mostly mechanical rename.  The
sole exception is cow; because it calls cow_co_is_allocated from the read
code, we keep that function and make cow_co_get_block_status a wrapper.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-09-04 19:00:28 +02:00 • committed by Stefan Hajnoczi
parent 11212d8fa0
commit b6b8a33354
13 changed files with 61 additions and 47 deletions
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4
block/vmdk.c
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@ -1042,7 +1042,7 @@ static VmdkExtent *find_extent(BDRVVmdkState *s,
return NULL;
}
static int coroutine_fn vmdk_co_is_allocated(BlockDriverState *bs,
static int64_t coroutine_fn vmdk_co_get_block_status(BlockDriverState *bs,
int64_t sector_num, int nb_sectors, int *pnum)
{
BDRVVmdkState *s = bs->opaque;
@ -1837,7 +1837,7 @@ static BlockDriver bdrv_vmdk = {
.bdrv_close = vmdk_close,
.bdrv_create = vmdk_create,
.bdrv_co_flush_to_disk = vmdk_co_flush,
.bdrv_co_is_allocated = vmdk_co_is_allocated,
.bdrv_co_get_block_status = vmdk_co_get_block_status,
.bdrv_get_allocated_file_size = vmdk_get_allocated_file_size,
.bdrv_has_zero_init = vmdk_has_zero_init,