drbd: Generate the drbd_set_*_defaults() functions from drbd_genl.h
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Andreas Gruenbacher
Philipp Reisner
Родитель
d8cd289dbe
Коммит
b966b5dd8e
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@ -1390,7 +1390,7 @@ extern int is_valid_ar_handle(struct drbd_request *, sector_t);
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/* drbd_nl.c */
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extern void drbd_set_res_opts_default(struct res_opts *r);
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extern void drbd_set_res_opts_defaults(struct res_opts *r);
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extern int drbd_msg_put_info(const char *info);
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extern void drbd_suspend_io(struct drbd_conf *mdev);
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extern void drbd_resume_io(struct drbd_conf *mdev);
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@ -2488,7 +2488,7 @@ struct drbd_tconn *conn_create(const char *name)
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drbd_thread_init(tconn, &tconn->worker, drbd_worker, "worker");
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drbd_thread_init(tconn, &tconn->asender, drbd_asender, "asender");
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drbd_set_res_opts_default(&tconn->res_opts);
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drbd_set_res_opts_defaults(&tconn->res_opts);
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down_write(&drbd_cfg_rwsem);
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kref_init(&tconn->kref);
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@ -1090,77 +1090,6 @@ static bool should_set_defaults(struct genl_info *info)
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return 0 != (flags & DRBD_GENL_F_SET_DEFAULTS);
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}
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/* Maybe we should we generate these functions
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* from the drbd_genl.h magic as well?
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* That way we would not "accidentally forget" to add defaults here. */
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#define RESET_ARRAY_FIELD(field) do { \
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memset(field, 0, sizeof(field)); \
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field ## _len = 0; \
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} while (0)
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void drbd_set_res_opts_default(struct res_opts *r)
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{
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RESET_ARRAY_FIELD(r->cpu_mask);
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r->on_no_data = DRBD_ON_NO_DATA_DEF;
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}
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static void drbd_set_net_conf_defaults(struct net_conf *nc)
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{
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/* Do NOT (re)set those fields marked as GENLA_F_INVARIANT
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* in drbd_genl.h, they can only be change with disconnect/reconnect */
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RESET_ARRAY_FIELD(nc->shared_secret);
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RESET_ARRAY_FIELD(nc->cram_hmac_alg);
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RESET_ARRAY_FIELD(nc->integrity_alg);
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RESET_ARRAY_FIELD(nc->verify_alg);
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RESET_ARRAY_FIELD(nc->csums_alg);
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#undef RESET_ARRAY_FIELD
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nc->wire_protocol = DRBD_PROTOCOL_DEF;
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nc->try_connect_int = DRBD_CONNECT_INT_DEF;
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nc->timeout = DRBD_TIMEOUT_DEF;
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nc->ping_int = DRBD_PING_INT_DEF;
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nc->ping_timeo = DRBD_PING_TIMEO_DEF;
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nc->sndbuf_size = DRBD_SNDBUF_SIZE_DEF;
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nc->rcvbuf_size = DRBD_RCVBUF_SIZE_DEF;
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nc->ko_count = DRBD_KO_COUNT_DEF;
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nc->max_buffers = DRBD_MAX_BUFFERS_DEF;
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nc->max_epoch_size = DRBD_MAX_EPOCH_SIZE_DEF;
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nc->unplug_watermark = DRBD_UNPLUG_WATERMARK_DEF;
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nc->after_sb_0p = DRBD_AFTER_SB_0P_DEF;
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nc->after_sb_1p = DRBD_AFTER_SB_1P_DEF;
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nc->after_sb_2p = DRBD_AFTER_SB_2P_DEF;
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nc->rr_conflict = DRBD_RR_CONFLICT_DEF;
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nc->on_congestion = DRBD_ON_CONGESTION_DEF;
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nc->cong_fill = DRBD_CONG_FILL_DEF;
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nc->cong_extents = DRBD_CONG_EXTENTS_DEF;
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nc->two_primaries = 0;
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nc->no_cork = 0;
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nc->always_asbp = 0;
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nc->use_rle = 0;
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}
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static void drbd_set_disk_conf_defaults(struct disk_conf *dc)
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{
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/* Do NOT (re)set those fields marked as GENLA_F_INVARIANT
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* in drbd_genl.h, they can only be change with detach/reattach */
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dc->on_io_error = DRBD_ON_IO_ERROR_DEF;
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dc->fencing = DRBD_FENCING_DEF;
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dc->resync_rate = DRBD_RATE_DEF;
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dc->resync_after = DRBD_AFTER_DEF;
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dc->al_extents = DRBD_AL_EXTENTS_DEF;
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dc->c_plan_ahead = DRBD_C_PLAN_AHEAD_DEF;
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dc->c_delay_target = DRBD_C_DELAY_TARGET_DEF;
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dc->c_fill_target = DRBD_C_FILL_TARGET_DEF;
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dc->c_max_rate = DRBD_C_MAX_RATE_DEF;
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dc->c_min_rate = DRBD_C_MIN_RATE_DEF;
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dc->no_disk_barrier = 0;
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dc->no_disk_flush = 0;
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dc->no_disk_drain = 0;
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dc->no_md_flush = 0;
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}
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int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
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{
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enum drbd_ret_code retcode;
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@ -1198,7 +1127,7 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
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memcpy(new_disk_conf, &mdev->ldev->dc, sizeof(*new_disk_conf));
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if (should_set_defaults(info))
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drbd_set_disk_conf_defaults(new_disk_conf);
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set_disk_conf_defaults(new_disk_conf);
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err = disk_conf_from_attrs_for_change(new_disk_conf, info);
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if (err) {
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@ -1315,7 +1244,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info)
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goto fail;
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}
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drbd_set_disk_conf_defaults(&nbc->dc);
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set_disk_conf_defaults(&nbc->dc);
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err = disk_conf_from_attrs(&nbc->dc, info);
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if (err) {
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@ -1911,7 +1840,7 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info)
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*new_conf = *old_conf;
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if (should_set_defaults(info))
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drbd_set_net_conf_defaults(new_conf);
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set_net_conf_defaults(new_conf);
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err = net_conf_from_attrs_for_change(new_conf, info);
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if (err) {
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@ -2029,7 +1958,7 @@ int drbd_adm_connect(struct sk_buff *skb, struct genl_info *info)
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goto fail;
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}
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drbd_set_net_conf_defaults(new_conf);
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set_net_conf_defaults(new_conf);
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err = net_conf_from_attrs(new_conf, info);
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if (err) {
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@ -2301,6 +2230,11 @@ int drbd_adm_resize(struct sk_buff *skb, struct genl_info *info)
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return 0;
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}
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void drbd_set_res_opts_defaults(struct res_opts *r)
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{
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return set_res_opts_defaults(r);
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}
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int drbd_adm_resource_opts(struct sk_buff *skb, struct genl_info *info)
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{
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enum drbd_ret_code retcode;
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@ -2325,7 +2259,7 @@ int drbd_adm_resource_opts(struct sk_buff *skb, struct genl_info *info)
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res_opts = tconn->res_opts;
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if (should_set_defaults(info))
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drbd_set_res_opts_default(&res_opts);
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set_res_opts_defaults(&res_opts);
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err = res_opts_from_attrs(&res_opts, info);
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if (err) {
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@ -110,63 +110,62 @@ GENL_struct(DRBD_NLA_DISK_CONF, 3, disk_conf,
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* but it won't propagate through the stack */
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__u32_field(5, GENLA_F_MANDATORY | GENLA_F_INVARIANT, max_bio_bvecs)
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__u32_field(6, GENLA_F_MANDATORY, on_io_error)
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__u32_field(7, GENLA_F_MANDATORY, fencing)
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__u32_field_def(6, GENLA_F_MANDATORY, on_io_error, DRBD_ON_IO_ERROR_DEF)
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__u32_field_def(7, GENLA_F_MANDATORY, fencing, DRBD_FENCING_DEF)
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__u32_field(8, GENLA_F_MANDATORY, resync_rate)
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__u32_field(9, GENLA_F_MANDATORY, resync_after)
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__u32_field(10, GENLA_F_MANDATORY, al_extents)
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__u32_field(11, GENLA_F_MANDATORY, c_plan_ahead)
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__u32_field(12, GENLA_F_MANDATORY, c_delay_target)
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__u32_field(13, GENLA_F_MANDATORY, c_fill_target)
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__u32_field(14, GENLA_F_MANDATORY, c_max_rate)
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__u32_field(15, GENLA_F_MANDATORY, c_min_rate)
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__flg_field(16, GENLA_F_MANDATORY, no_disk_barrier)
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__flg_field(17, GENLA_F_MANDATORY, no_disk_flush)
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__flg_field(18, GENLA_F_MANDATORY, no_disk_drain)
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__flg_field(19, GENLA_F_MANDATORY, no_md_flush)
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__u32_field_def(8, GENLA_F_MANDATORY, resync_rate, DRBD_RATE_DEF)
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__u32_field_def(9, GENLA_F_MANDATORY, resync_after, DRBD_AFTER_DEF)
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__u32_field_def(10, GENLA_F_MANDATORY, al_extents, DRBD_AL_EXTENTS_DEF)
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__u32_field_def(11, GENLA_F_MANDATORY, c_plan_ahead, DRBD_C_PLAN_AHEAD_DEF)
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__u32_field_def(12, GENLA_F_MANDATORY, c_delay_target, DRBD_C_DELAY_TARGET_DEF)
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__u32_field_def(13, GENLA_F_MANDATORY, c_fill_target, DRBD_C_FILL_TARGET_DEF)
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__u32_field_def(14, GENLA_F_MANDATORY, c_max_rate, DRBD_C_MAX_RATE_DEF)
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__u32_field_def(15, GENLA_F_MANDATORY, c_min_rate, DRBD_C_MIN_RATE_DEF)
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__flg_field_def(16, GENLA_F_MANDATORY, no_disk_barrier, 0)
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__flg_field_def(17, GENLA_F_MANDATORY, no_disk_flush, 0)
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__flg_field_def(18, GENLA_F_MANDATORY, no_disk_drain, 0)
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__flg_field_def(19, GENLA_F_MANDATORY, no_md_flush, 0)
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)
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GENL_struct(DRBD_NLA_RESOURCE_OPTS, 4, res_opts,
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__str_field(1, GENLA_F_MANDATORY, cpu_mask, 32)
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__u32_field(2, GENLA_F_MANDATORY, on_no_data)
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__str_field_def(1, GENLA_F_MANDATORY, cpu_mask, 32)
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__u32_field_def(2, GENLA_F_MANDATORY, on_no_data, DRBD_ON_NO_DATA_DEF)
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)
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GENL_struct(DRBD_NLA_NET_CONF, 5, net_conf,
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__bin_field(1, GENLA_F_REQUIRED | GENLA_F_INVARIANT, my_addr, 128)
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__bin_field(2, GENLA_F_REQUIRED | GENLA_F_INVARIANT, peer_addr, 128)
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__str_field(3, GENLA_F_MANDATORY | GENLA_F_SENSITIVE,
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__str_field_def(3, GENLA_F_MANDATORY | GENLA_F_SENSITIVE,
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shared_secret, SHARED_SECRET_MAX)
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__str_field(4, GENLA_F_MANDATORY, cram_hmac_alg, SHARED_SECRET_MAX)
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__str_field(5, GENLA_F_MANDATORY, integrity_alg, SHARED_SECRET_MAX)
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__str_field(6, GENLA_F_MANDATORY, verify_alg, SHARED_SECRET_MAX)
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__str_field(7, GENLA_F_MANDATORY, csums_alg, SHARED_SECRET_MAX)
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__u32_field(8, GENLA_F_MANDATORY, wire_protocol)
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__u32_field(9, GENLA_F_MANDATORY, try_connect_int)
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__u32_field(10, GENLA_F_MANDATORY, timeout)
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__u32_field(11, GENLA_F_MANDATORY, ping_int)
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__u32_field(12, GENLA_F_MANDATORY, ping_timeo)
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__u32_field(13, GENLA_F_MANDATORY, sndbuf_size)
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__u32_field(14, GENLA_F_MANDATORY, rcvbuf_size)
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__u32_field(15, GENLA_F_MANDATORY, ko_count)
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__u32_field(16, GENLA_F_MANDATORY, max_buffers)
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__u32_field(17, GENLA_F_MANDATORY, max_epoch_size)
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__u32_field(18, GENLA_F_MANDATORY, unplug_watermark)
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__u32_field(19, GENLA_F_MANDATORY, after_sb_0p)
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__u32_field(20, GENLA_F_MANDATORY, after_sb_1p)
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__u32_field(21, GENLA_F_MANDATORY, after_sb_2p)
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__u32_field(22, GENLA_F_MANDATORY, rr_conflict)
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__u32_field(23, GENLA_F_MANDATORY, on_congestion)
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__u32_field(24, GENLA_F_MANDATORY, cong_fill)
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__u32_field(25, GENLA_F_MANDATORY, cong_extents)
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__flg_field(26, GENLA_F_MANDATORY, two_primaries)
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__str_field_def(4, GENLA_F_MANDATORY, cram_hmac_alg, SHARED_SECRET_MAX)
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__str_field_def(5, GENLA_F_MANDATORY, integrity_alg, SHARED_SECRET_MAX)
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__str_field_def(6, GENLA_F_MANDATORY, verify_alg, SHARED_SECRET_MAX)
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__str_field_def(7, GENLA_F_MANDATORY, csums_alg, SHARED_SECRET_MAX)
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__u32_field_def(8, GENLA_F_MANDATORY, wire_protocol, DRBD_PROTOCOL_DEF)
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__u32_field_def(9, GENLA_F_MANDATORY, try_connect_int, DRBD_CONNECT_INT_DEF)
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__u32_field_def(10, GENLA_F_MANDATORY, timeout, DRBD_TIMEOUT_DEF)
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__u32_field_def(11, GENLA_F_MANDATORY, ping_int, DRBD_PING_INT_DEF)
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__u32_field_def(12, GENLA_F_MANDATORY, ping_timeo, DRBD_PING_TIMEO_DEF)
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__u32_field_def(13, GENLA_F_MANDATORY, sndbuf_size, DRBD_SNDBUF_SIZE_DEF)
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__u32_field_def(14, GENLA_F_MANDATORY, rcvbuf_size, DRBD_RCVBUF_SIZE_DEF)
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__u32_field_def(15, GENLA_F_MANDATORY, ko_count, DRBD_KO_COUNT_DEF)
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__u32_field_def(16, GENLA_F_MANDATORY, max_buffers, DRBD_MAX_BUFFERS_DEF)
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__u32_field_def(17, GENLA_F_MANDATORY, max_epoch_size, DRBD_MAX_EPOCH_SIZE_DEF)
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__u32_field_def(18, GENLA_F_MANDATORY, unplug_watermark, DRBD_UNPLUG_WATERMARK_DEF)
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__u32_field_def(19, GENLA_F_MANDATORY, after_sb_0p, DRBD_AFTER_SB_0P_DEF)
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__u32_field_def(20, GENLA_F_MANDATORY, after_sb_1p, DRBD_AFTER_SB_1P_DEF)
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__u32_field_def(21, GENLA_F_MANDATORY, after_sb_2p, DRBD_AFTER_SB_2P_DEF)
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__u32_field_def(22, GENLA_F_MANDATORY, rr_conflict, DRBD_RR_CONFLICT_DEF)
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__u32_field_def(23, GENLA_F_MANDATORY, on_congestion, DRBD_ON_CONGESTION_DEF)
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__u32_field_def(24, GENLA_F_MANDATORY, cong_fill, DRBD_CONG_FILL_DEF)
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__u32_field_def(25, GENLA_F_MANDATORY, cong_extents, DRBD_CONG_EXTENTS_DEF)
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__flg_field_def(26, GENLA_F_MANDATORY, two_primaries, 0)
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__flg_field(27, GENLA_F_MANDATORY | GENLA_F_INVARIANT, want_lose)
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__flg_field(28, GENLA_F_MANDATORY, no_cork)
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__flg_field(29, GENLA_F_MANDATORY, always_asbp)
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__flg_field_def(28, GENLA_F_MANDATORY, no_cork, 0)
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__flg_field_def(29, GENLA_F_MANDATORY, always_asbp, 0)
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__flg_field(30, GENLA_F_MANDATORY | GENLA_F_INVARIANT, dry_run)
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__flg_field(31, GENLA_F_MANDATORY, use_rle)
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__flg_field_def(31, GENLA_F_MANDATORY, use_rle, 0)
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)
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GENL_struct(DRBD_NLA_SET_ROLE_PARMS, 6, set_role_parms,
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@ -427,6 +427,32 @@ static inline int s_name ## _to_unpriv_skb(struct sk_buff *skb, \
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#include GENL_MAGIC_INCLUDE_FILE
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/* Functions for initializing structs to default values. */
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#undef __field
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put)
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#undef __array
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, __get, __put)
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#undef __u32_field_def
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#define __u32_field_def(attr_nr, attr_flag, name, default) \
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x->name = default;
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#undef __flg_field_def
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#define __flg_field_def(attr_nr, attr_flag, name, default) \
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x->name = default;
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#undef __str_field_def
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#define __str_field_def(attr_nr, attr_flag, name, maxlen) \
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memset(x->name, 0, sizeof(x->name)); \
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x->name ## _len = 0;
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#undef GENL_struct
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#define GENL_struct(tag_name, tag_number, s_name, s_fields) \
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static void set_ ## s_name ## _defaults(struct s_name *x) __attribute__((unused)); \
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static void set_ ## s_name ## _defaults(struct s_name *x) { \
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s_fields \
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}
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#include GENL_MAGIC_INCLUDE_FILE
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#endif /* __KERNEL__ */
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/* }}}1 */
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@ -107,6 +107,14 @@ enum {
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__array(attr_nr, attr_flag, name, NLA_BINARY, char, maxlen, \
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nla_memcpy, NLA_PUT)
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/* fields with default values */
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#define __flg_field_def(attr_nr, attr_flag, name, default) \
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__flg_field(attr_nr, attr_flag, name)
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#define __u32_field_def(attr_nr, attr_flag, name, default) \
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__u32_field(attr_nr, attr_flag, name)
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#define __str_field_def(attr_nr, attr_flag, name, maxlen) \
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__str_field(attr_nr, attr_flag, name, maxlen)
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#define __nla_put_flag(skb, attrtype, value) \
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do { \
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if (value) \
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