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path: root/drivers/block/drbd
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| * drbd: Pass struct packet_info down to the asender receive functionsAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Do not segfault if a sync dependency reaches a diskless devicePhilipp Reisner2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Allow to disconnect if one volume is disklessPhilipp Reisner2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Print common state changes of all volumes as connection state changesPhilipp Reisner2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Fixed logging of old connection statePhilipp Reisner2012-11-08
| | | | | | | | | | | | | | | | | | | | During a disconnect the oc variable in _conn_request_state() could become outdated. Determin the common old state after sleeping. While at it, I implemented that for all parts of the state Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Use the idr_for_each_entry() iterator instead of idr_for_each()Philipp Reisner2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Map from (connection, volume number) to device in the receive handlersAndreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | | | The receive handlers do not all handle unknown volume numbers the same way. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Pass struct packet_info down to the receive functionsAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Remove useless error messagesAndreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | | | These messages can only trigger in case there is a pretty obvious internal programming error. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: A small cleanup in drbdd()Andreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: _drbd_send_bitmap(): Use the pre-allocated send bufferAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Preallocate one page per drbd_socket as a send bufferAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: receive_bitmap(): Use the pre-allocated receive bufferAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Preallocate one page per drbd_socket as a receive bufferAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Converted drbd_try_outdate_peer() from mdev to tconnPhilipp Reisner2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Rename the DCBP_* functions to dcbp_* and move them to where they are usedAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Make _drbd_send_bitmap() staticAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Move drbd_send_ping() and drbd_send_ping_ack() to drbd_main.cAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Always use the same protocol version for the same peerAndreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | | | | | There is no need to send protocol 80 headers to peers that understand protocol 95 headers. Make sure that we don't send protocol 95 headers until we have agreed upon a protocol version with our peer, though. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_connected(): Return an error code upon failure.Andreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Introduce and use drbd_recv_all_warn()Andreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | | | | | The pattern of receiving a fixed number of bytes and warning if a short packet is received and the receiver has not actively been interruped is repeated many times; clean that up. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Get rid of typedef drbd_work_cbAndreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | This type is not used anywhere else. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Rename various functions from *_oos_* to *_out_of_sync_* for clarityAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_may_do_local_read(): Use bool/true/falseAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Remove unnecessary assertionAndreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | This is also checked further below in the same function. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Remove duplicate initializationAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_md_sync_page_io(): 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_md_sync_page_io(): 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_bm_read() never returns a positive value through drbd_bitmap_io()Andreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Make all command handlers return 0 upon success and an error code ↵Andreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | otherwise Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Add drbd_recv_all(): Receive 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: send_bitmap_rle_or_plain(): Error handling cleanupAndreas Gruenbacher2012-11-08
| | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: recv_resync_read(): 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: recv_dless_read(): 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_drain_block(): 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_recv_header(): 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: decode_header(): 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_process_done_ee(): 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: Make all worker callbacks return 0 upon success and an error code ↵Andreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | otherwise Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: Temporarily change the return type of all worker callbacksAndreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | | | This helps to ensure that we don't miss one of them when changing their return value semantics. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_short_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_dblock(): 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_bio(), _drbd_send_zc_bio(): Return 0 upon success and an ↵Andreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | error code otherwise Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_block(): 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_zc_ee(): 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_page(): 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_no_send_page(): 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_oos(): 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_drequest_csum(): Return 0 upon success and an error code ↵Andreas Gruenbacher2012-11-08
| | | | | | | | | | | | | | otherwise Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * drbd: drbd_send_drequest(): 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>
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