diff options
Diffstat (limited to 'block/io.c')
| -rw-r--r-- | block/io.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/block/io.c b/block/io.c index 2dda1cf5c2..ec8b317818 100644 --- a/block/io.c +++ b/block/io.c @@ -971,6 +971,7 @@ bdrv_driver_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes, unsigned int nb_sectors; QEMUIOVector local_qiov; int ret; + assert_bdrv_graph_readable(); bdrv_check_qiov_request(offset, bytes, qiov, qiov_offset, &error_abort); assert(!(flags & ~bs->supported_read_flags)); @@ -1041,6 +1042,7 @@ bdrv_driver_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes, unsigned int nb_sectors; QEMUIOVector local_qiov; int ret; + assert_bdrv_graph_readable(); bdrv_check_qiov_request(offset, bytes, qiov, qiov_offset, &error_abort); @@ -1119,6 +1121,7 @@ bdrv_driver_pwritev_compressed(BlockDriverState *bs, int64_t offset, BlockDriver *drv = bs->drv; QEMUIOVector local_qiov; int ret; + assert_bdrv_graph_readable(); bdrv_check_qiov_request(offset, bytes, qiov, qiov_offset, &error_abort); @@ -1621,8 +1624,6 @@ int coroutine_fn bdrv_co_preadv_part(BdrvChild *child, int ret; IO_CODE(); - assume_graph_lock(); /* FIXME */ - trace_bdrv_co_preadv_part(bs, offset, bytes, flags); if (!bdrv_co_is_inserted(bs)) { @@ -2073,8 +2074,6 @@ int coroutine_fn bdrv_co_pwritev_part(BdrvChild *child, bool padded = false; IO_CODE(); - assume_graph_lock(); /* FIXME */ - trace_bdrv_co_pwritev_part(child->bs, offset, bytes, flags); if (!bdrv_co_is_inserted(bs)) { |