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authorPeter Lieven <pl@kamp.de>2013-07-11 14:16:22 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2013-07-19 12:29:21 +0800
commit4105eaaab9376ea959de711b81bba9e1494c971d (patch)
treea9b987aff13e56d36d3d51ba27c55e1984265851 /include
parent78f27bd02ceba4a2f6ac5c725f4d4410eec205ef (diff)
downloadqemu-4105eaaab9376ea959de711b81bba9e1494c971d.zip
block: add bdrv_write_zeroes()
Signed-off-by: Peter Lieven <pl@kamp.de> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/block/block.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/block/block.h b/include/block/block.h
index b6b9014a9c..742fce5f7f 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -157,6 +157,8 @@ int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors);
int bdrv_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
+int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num,
+ int nb_sectors);
int bdrv_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov);
int bdrv_pread(BlockDriverState *bs, int64_t offset,
void *buf, int count);