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authorFam Zheng <famz@redhat.com>2018-07-10 14:31:17 +0800
committerKevin Wolf <kwolf@redhat.com>2018-07-10 16:01:52 +0200
commit0b9fd3f467dc5ac041fa014cd28c949b25b87d25 (patch)
treedad799a3301d7ae3c789bf810518b889bf67f980 /block/throttle.c
parentecc983a507bec9d3130434702d7031bfd372ba74 (diff)
block: Use BdrvChild to discard
Other I/O functions are already using a BdrvChild pointer in the API, so make discard do the same. It makes it possible to initiate the same permission checks before doing I/O, and much easier to share the helper functions for this, which will be added and used by write, truncate and copy range paths. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/throttle.c')
-rw-r--r--block/throttle.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/throttle.c b/block/throttle.c
index f617f23a12..636c9764aa 100644
--- a/block/throttle.c
+++ b/block/throttle.c
@@ -149,7 +149,7 @@ static int coroutine_fn throttle_co_pdiscard(BlockDriverState *bs,
ThrottleGroupMember *tgm = bs->opaque;
throttle_group_co_io_limits_intercept(tgm, bytes, true);
- return bdrv_co_pdiscard(bs->file->bs, offset, bytes);
+ return bdrv_co_pdiscard(bs->file, offset, bytes);
}
static int throttle_co_flush(BlockDriverState *bs)