95     BlockDriverState *bs;  member
113 static void nbd_clear_bdrvstate(BlockDriverState *bs)  in nbd_clear_bdrvstate()  argument
115     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_clear_bdrvstate()
120     yank_unregister_instance(BLOCKDEV_YANK_INSTANCE(bs->node_name));  in nbd_clear_bdrvstate()
211     s->reconnect_delay_timer = aio_timer_new(bdrv_get_aio_context(s->bs),  in reconnect_delay_timer_init()
218 static void nbd_teardown_connection(BlockDriverState *bs)  in nbd_teardown_connection()  argument
220     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_teardown_connection()
226         yank_unregister_function(BLOCKDEV_YANK_INSTANCE(s->bs->node_name),  in nbd_teardown_connection()
227                                  nbd_yank, s->bs);  in nbd_teardown_connection()
256     s->open_timer = aio_timer_new(bdrv_get_aio_context(s->bs),  in open_timer_init()
278 nbd_handle_updated_info(BlockDriverState *bs, Error **errp)  in nbd_handle_updated_info()  argument
280     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_handle_updated_info()
295         ret = bdrv_apply_auto_read_only(bs, "NBD export is read-only", errp);  in nbd_handle_updated_info()
302         bs->supported_write_flags = BDRV_REQ_FUA;  in nbd_handle_updated_info()
303         bs->supported_zero_flags |= BDRV_REQ_FUA;  in nbd_handle_updated_info()
307         bs->supported_zero_flags |= BDRV_REQ_MAY_UNMAP;  in nbd_handle_updated_info()
309             bs->supported_zero_flags |= BDRV_REQ_NO_FALLBACK;  in nbd_handle_updated_info()
318 int coroutine_fn nbd_co_do_establish_connection(BlockDriverState *bs,  in nbd_co_do_establish_connection()  argument
321     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_co_do_establish_connection()
333     yank_register_function(BLOCKDEV_YANK_INSTANCE(s->bs->node_name), nbd_yank,  in nbd_co_do_establish_connection()
334                            bs);  in nbd_co_do_establish_connection()
336     ret = nbd_handle_updated_info(s->bs, NULL);  in nbd_co_do_establish_connection()
346         yank_unregister_function(BLOCKDEV_YANK_INSTANCE(s->bs->node_name),  in nbd_co_do_establish_connection()
347                                  nbd_yank, bs);  in nbd_co_do_establish_connection()
385     trace_nbd_reconnect_attempt(s->bs->in_flight);  in nbd_reconnect_attempt()
400         yank_unregister_function(BLOCKDEV_YANK_INSTANCE(s->bs->node_name),  in nbd_reconnect_attempt()
401                                  nbd_yank, s->bs);  in nbd_reconnect_attempt()
407     ret = nbd_co_do_establish_connection(s->bs, blocking, NULL);  in nbd_reconnect_attempt()
408     trace_nbd_reconnect_attempt_result(ret, s->bs->in_flight);  in nbd_reconnect_attempt()
461         ret = nbd_receive_reply(s->bs, s->ioc, &s->reply, s->info.mode, errp);  in nbd_receive_replies()
491 nbd_co_send_request(BlockDriverState *bs, NBDRequest *request,  in nbd_co_send_request()  argument
494     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_co_send_request()
1206 nbd_co_request(BlockDriverState *bs, NBDRequest *request,  in nbd_co_request()  argument
1211     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_co_request()
1222         ret = nbd_co_send_request(bs, request, write_qiov);  in nbd_co_request()
1244 nbd_client_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,  in nbd_client_co_preadv()  argument
1249     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_client_co_preadv()
1281         ret = nbd_co_send_request(bs, &request, NULL);  in nbd_client_co_preadv()
1302 nbd_client_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,  in nbd_client_co_pwritev()  argument
1305     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_client_co_pwritev()
1323     return nbd_co_request(bs, &request, qiov);  in nbd_client_co_pwritev()
1327 nbd_client_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, int64_t bytes,  in nbd_client_co_pwrite_zeroes()  argument
1330     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_client_co_pwrite_zeroes()
1360     return nbd_co_request(bs, &request, NULL);  in nbd_client_co_pwrite_zeroes()
1363 static int coroutine_fn GRAPH_RDLOCK nbd_client_co_flush(BlockDriverState *bs)  in nbd_client_co_flush()  argument
1365     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_client_co_flush()
1375     return nbd_co_request(bs, &request, NULL);  in nbd_client_co_flush()
1379 nbd_client_co_pdiscard(BlockDriverState *bs, int64_t offset, int64_t bytes)  in nbd_client_co_pdiscard()  argument
1381     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_client_co_pdiscard()
1396     return nbd_co_request(bs, &request, NULL);  in nbd_client_co_pdiscard()
1400         BlockDriverState *bs, bool want_zero, int64_t offset, int64_t bytes,  in nbd_client_co_block_status()  argument
1405     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_client_co_block_status()
1418         *file = bs;  in nbd_client_co_block_status()
1422         request.len = MIN(QEMU_ALIGN_DOWN(INT_MAX, bs->bl.request_alignment),  in nbd_client_co_block_status()
1444         ret = nbd_co_send_request(bs, &request, NULL);  in nbd_client_co_block_status()
1469     *file = bs;  in nbd_client_co_block_status()
1478     BDRVNBDState *s = (BDRVNBDState *)state->bs->opaque;  in nbd_client_reopen_prepare()
1489     BlockDriverState *bs = opaque;  in nbd_yank()  local
1490     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_yank()
1497 static void nbd_client_close(BlockDriverState *bs)  in nbd_client_close()  argument
1499     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_client_close()
1506     nbd_teardown_connection(bs);  in nbd_client_close()
1847 static int nbd_process_options(BlockDriverState *bs, QDict *options,  in nbd_process_options()  argument
1850     BDRVNBDState *s = bs->opaque;  in nbd_process_options()
1906 static int nbd_open(BlockDriverState *bs, QDict *options, int flags,  in nbd_open()  argument
1910     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_open()
1912     s->bs = bs;  in nbd_open()
1918     if (!yank_register_instance(BLOCKDEV_YANK_INSTANCE(bs->node_name), errp)) {  in nbd_open()
1922     ret = nbd_process_options(bs, options, errp);  in nbd_open()
1938     ret = nbd_do_establish_connection(bs, true, errp);  in nbd_open()
1956     nbd_clear_bdrvstate(bs);  in nbd_open()
1960 static void nbd_refresh_limits(BlockDriverState *bs, Error **errp)  in nbd_refresh_limits()  argument
1962     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_refresh_limits()
1983     bs->bl.request_alignment = min;  in nbd_refresh_limits()
1984     bs->bl.max_pdiscard = QEMU_ALIGN_DOWN(INT_MAX, min);  in nbd_refresh_limits()
1985     bs->bl.max_pwrite_zeroes = max;  in nbd_refresh_limits()
1986     bs->bl.max_transfer = max;  in nbd_refresh_limits()
1993         bs->bl.max_pdiscard = bs->bl.max_pwrite_zeroes = 0;  in nbd_refresh_limits()
1997         s->info.opt_block > bs->bl.opt_transfer) {  in nbd_refresh_limits()
1998         bs->bl.opt_transfer = s->info.opt_block;  in nbd_refresh_limits()
2002 static void nbd_close(BlockDriverState *bs)  in nbd_close()  argument
2004     nbd_client_close(bs);  in nbd_close()
2005     nbd_clear_bdrvstate(bs);  in nbd_close()
2016 static int coroutine_fn nbd_co_truncate(BlockDriverState *bs, int64_t offset,  in nbd_co_truncate()  argument
2020     BDRVNBDState *s = bs->opaque;  in nbd_co_truncate()
2035 static int64_t coroutine_fn nbd_co_getlength(BlockDriverState *bs)  in nbd_co_getlength()  argument
2037     BDRVNBDState *s = bs->opaque;  in nbd_co_getlength()
2042 static void nbd_refresh_filename(BlockDriverState *bs)  in nbd_refresh_filename()  argument
2044     BDRVNBDState *s = bs->opaque;  in nbd_refresh_filename()
2059         len = snprintf(bs->exact_filename, sizeof(bs->exact_filename),  in nbd_refresh_filename()
2062         len = snprintf(bs->exact_filename, sizeof(bs->exact_filename),  in nbd_refresh_filename()
2065         len = snprintf(bs->exact_filename, sizeof(bs->exact_filename),  in nbd_refresh_filename()
2068         len = snprintf(bs->exact_filename, sizeof(bs->exact_filename),  in nbd_refresh_filename()
2071     if (len >= sizeof(bs->exact_filename)) {  in nbd_refresh_filename()
2073         bs->exact_filename[0] = '\0';  in nbd_refresh_filename()
2077 static char *nbd_dirname(BlockDriverState *bs, Error **errp)  in nbd_dirname()  argument
2099 static void nbd_cancel_in_flight(BlockDriverState *bs)  in nbd_cancel_in_flight()  argument
2101     BDRVNBDState *s = (BDRVNBDState *)bs->opaque;  in nbd_cancel_in_flight()
2114 static void nbd_attach_aio_context(BlockDriverState *bs,  in nbd_attach_aio_context()  argument
2117     BDRVNBDState *s = bs->opaque;  in nbd_attach_aio_context()
2134 static void nbd_detach_aio_context(BlockDriverState *bs)  in nbd_detach_aio_context()  argument
2136     BDRVNBDState *s = bs->opaque;  in nbd_detach_aio_context()