76 static int throttle_open(BlockDriverState *bs, QDict *options,  in throttle_open()  argument
79     ThrottleGroupMember *tgm = bs->opaque;  in throttle_open()
83     ret = bdrv_open_file_child(NULL, options, "file", bs, errp);  in throttle_open()
90     bs->supported_write_flags = bs->file->bs->supported_write_flags |  in throttle_open()
92     bs->supported_zero_flags = bs->file->bs->supported_zero_flags |  in throttle_open()
98         throttle_group_register_tgm(tgm, group, bdrv_get_aio_context(bs));  in throttle_open()
105 static void throttle_close(BlockDriverState *bs)  in throttle_close()  argument
107     ThrottleGroupMember *tgm = bs->opaque;  in throttle_close()
113 throttle_co_getlength(BlockDriverState *bs)  in throttle_co_getlength()  argument
115     return bdrv_co_getlength(bs->file->bs);  in throttle_co_getlength()
119 throttle_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,  in throttle_co_preadv()  argument
123     ThrottleGroupMember *tgm = bs->opaque;  in throttle_co_preadv()
126     return bdrv_co_preadv(bs->file, offset, bytes, qiov, flags);  in throttle_co_preadv()
130 throttle_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,  in throttle_co_pwritev()  argument
133     ThrottleGroupMember *tgm = bs->opaque;  in throttle_co_pwritev()
136     return bdrv_co_pwritev(bs->file, offset, bytes, qiov, flags);  in throttle_co_pwritev()
140 throttle_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, int64_t bytes,  in throttle_co_pwrite_zeroes()  argument
143     ThrottleGroupMember *tgm = bs->opaque;  in throttle_co_pwrite_zeroes()
146     return bdrv_co_pwrite_zeroes(bs->file, offset, bytes, flags);  in throttle_co_pwrite_zeroes()
150 throttle_co_pdiscard(BlockDriverState *bs, int64_t offset, int64_t bytes)  in throttle_co_pdiscard()  argument
152     ThrottleGroupMember *tgm = bs->opaque;  in throttle_co_pdiscard()
155     return bdrv_co_pdiscard(bs->file, offset, bytes);  in throttle_co_pdiscard()
159 throttle_co_pwritev_compressed(BlockDriverState *bs, int64_t offset,  in throttle_co_pwritev_compressed()  argument
162     return throttle_co_pwritev(bs, offset, bytes, qiov,  in throttle_co_pwritev_compressed()
166 static int coroutine_fn GRAPH_RDLOCK throttle_co_flush(BlockDriverState *bs)  in throttle_co_flush()  argument
168     return bdrv_co_flush(bs->file->bs);  in throttle_co_flush()
171 static void throttle_detach_aio_context(BlockDriverState *bs)  in throttle_detach_aio_context()  argument
173     ThrottleGroupMember *tgm = bs->opaque;  in throttle_detach_aio_context()
177 static void throttle_attach_aio_context(BlockDriverState *bs,  in throttle_attach_aio_context()  argument
180     ThrottleGroupMember *tgm = bs->opaque;  in throttle_attach_aio_context()
191     assert(reopen_state->bs != NULL);  in throttle_reopen_prepare()
200     BlockDriverState *bs = reopen_state->bs;  in throttle_reopen_commit()  local
201     ThrottleGroupMember *tgm = bs->opaque;  in throttle_reopen_commit()
208         throttle_group_register_tgm(tgm, group, bdrv_get_aio_context(bs));  in throttle_reopen_commit()
220 static void throttle_drain_begin(BlockDriverState *bs)  in throttle_drain_begin()  argument
222     ThrottleGroupMember *tgm = bs->opaque;  in throttle_drain_begin()
228 static void throttle_drain_end(BlockDriverState *bs)  in throttle_drain_end()  argument
230     ThrottleGroupMember *tgm = bs->opaque;  in throttle_drain_end()