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authorStefan Hajnoczi <stefanha@linux.vnet.ibm.com>2011-11-14 12:44:26 +0000
committerKevin Wolf <kwolf@redhat.com>2011-12-05 14:51:37 +0100
commit060f51c9dee3c58e2748c773ef1f7142047a4a2f (patch)
tree5d94aadc9a19778ad0c6628ffc976278679fc2a2 /block.h
parent6aebab140d1891813628f0148c6c4d66b5c1dd66 (diff)
block: add bdrv_co_is_allocated() interface
This patch introduces the public bdrv_co_is_allocated() interface which can be used to query image allocation status while the VM is running. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block.h')
-rw-r--r--block.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/block.h b/block.h
index 83e17cad96..8482dbce75 100644
--- a/block.h
+++ b/block.h
@@ -143,6 +143,8 @@ int coroutine_fn bdrv_co_readv(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, QEMUIOVector *qiov);
int coroutine_fn bdrv_co_writev(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, QEMUIOVector *qiov);
+int coroutine_fn bdrv_co_is_allocated(BlockDriverState *bs, int64_t sector_num,
+ int nb_sectors, int *pnum);
int bdrv_truncate(BlockDriverState *bs, int64_t offset);
int64_t bdrv_getlength(BlockDriverState *bs);
int64_t bdrv_get_allocated_file_size(BlockDriverState *bs);