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path: root/drivers/block/drbd
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| * drbd: drbd_send_ov_request(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_ack_ex(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_ack_{dp,rp}(): Return void: the result is never usedAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_ack(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: _drbd_send_ack(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_b_ack(): Return void: the result is never usedAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_sr_reply(): Return void: the result is never usedAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_state_req(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: conn_send_state_req(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: _conn_send_state_req(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_sizes(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_gen_and_send_sync_uuid(): Return void: the result is never usedAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_uuids() and its variants: Return 0 upon success and an error ↵Andreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | code otherwise Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_protocol(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_handshake(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_state(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_sync_param(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_cmd(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Get rid of USE_DATA_SOCKET and USE_META_SOCKETAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: conn_send_cmd(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: _drbd_send_cmd(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: _conn_send_cmd(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: conn_send_cmd2(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Add drbd_send_all(): Send an entire bufferAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_get_data_sock(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send(): Return a "real" error code if we have no socketAndreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | | | Q: Can this case even trigger? Is failing this way any better than one that causes a NULL pointer access? Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Fixed conn_lowest_minorPhilipp Reisner2012-11-08
| | | | | | | | | | | | | | | | It actually returned the lowest volume number. While doing that renamed a few wrongly named variables. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: distribute former syncer_conf settings to disk, connection, and ↵Lars Ellenberg2012-11-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | resource level This commit breaks the API again. Move per-volume former syncer options into disk_conf. Move per-connection former syncer options into net_conf. Renamed the remainign sync_conf to res_opts Syncer settings have been changeable at runtime, so we need to prepare for these settings to be runtime-changeable in their new home as well. Introduce new configuration operations, and share the netlink attribute between "attach" (create new disk) and "disk-opts" (change options). Same for "connect" and "net-opts". Some fields cannot be changed at runtime, however. Introduce a new flag GENLA_F_INVARIANT to be able to trigger on that in the generated validation and assignment functions. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: conn_khelper() for user mode callbacks for connectionsPhilipp Reisner2012-11-03
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Allow volumes to become primary only on one sidePhilipp Reisner2012-11-03
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: fix conn_reconfig_start without conn_reconfig_done in drbd_adm_attachLars Ellenberg2012-11-03
| | | | | | | | | | | | | | | | If drbd_adm_attach failed early, it left the CONFIG_PENDING bit on, blocking any further conn_reconfig_start on that connection. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Separate connection state changes from minor dev state changes #2Philipp Reisner2012-11-03
| | | | | | | | | | | | | | New function got_conn_RqSReply() Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Converted got_Ping() and got_PingAck() from mdev to tconnPhilipp Reisner2012-11-03
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Allow packet handler functions that take a connection (meta connection)Philipp Reisner2012-11-03
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Separate connection state changes from minor dev state changes #1Philipp Reisner2012-11-03
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Converted receive_protocol() from mdev to tconnPhilipp Reisner2012-11-03
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Allow packet handler functions that take a connectionPhilipp Reisner2012-11-03
| | | | | | | | | | | | | | That is necessary in case a connection does not have a volume 0 Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Moved CONN_DRY_RUN to the per connection (tconn) flagsPhilipp Reisner2012-11-03
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Do not modify the connection state with something else that ↵Philipp Reisner2012-11-03
| | | | | | | | | | | | | | conn_request_state() Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Allow two diskless minors to be connectedPhilipp Reisner2012-11-03
| | | | | | | | | | | | | | | | In the context of drbd-8.4 it no longer makes sense to dissalow that. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: New minors have to intherit the connection state form their connectionPhilipp Reisner2012-11-03
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: process_done_ee() has to handle unconfigured devices nowPhilipp Reisner2012-11-03
| | | | | | | | | | | | | | | | Took the chance and converted tconn_process_done_ee() to use idr_for_each_entry() Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Ignore packets for non existing volumesPhilipp Reisner2012-11-03
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: introduce in-kernel "down" commandLars Ellenberg2012-11-03
| | | | | | | | | | | | | | This greatly simplifies deconfiguration of whole resources. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: add forgotten spin_unlockLars Ellenberg2012-11-03
| | | | | | | | | | | | | | | | | | somehow a "goto abort" was introduced with commit drbd: Extracted is_valid_transition() out of sanitize_state() which left drbd_req_state still holding the spin lock. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: bail out if a config requrest is over-determined, and not matchingLars Ellenberg2012-11-03
| | | | | | | | | | | | | | | | | | | | | | We have resources resp. connections, volumes, and minor numbers. A config request may specifies all three of them. If it turns out that the minor belongs to a different connection, or a different volume number in the same connection, that configuration request is invalid. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: new-connection and new-minor succeed, if the object already existsLars Ellenberg2012-11-03
| | | | | | | | | | | | | | | | | | Follow O_CREAT semantics when creating connection or minor device/volume objects. If we need O_CREAT|O_EXCL semantics some time down the road, we can add NLM_F_EXCL to the netlink message flags. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Allow a Diskless Secondary volume to be removedLars Ellenberg2012-11-03
| | | | | | | | | | | | | | | | | | Even if the connection is still established. We should be able to reduce a volume from a replication group, without taking the whole group offline. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: simplify conn_all_vols_unconf, make it boolLars Ellenberg2012-11-03
| | | | | | | | | | | | | | | | | | | | | | Get rid of a temporary variable and, funny bitand assignment. Just short circuit, returning false, once we encounter the first still configured volume. FIXME verify call sites for need of rcu_read_lock or stronger. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_adm_get_status needs to show some more detailLars Ellenberg2012-11-03
| | | | | | | | | | | | | | | | | | | | | | We want to see existing connection objects, even if they do not currently have volumes attached. Change the .dumpit variant of drbd_adm_get_status to iterate not over minor devices, but over connections + volumes. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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