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2012-11-08drbd: Converted drbd_try_outdate_peer() from mdev to tconnPhilipp Reisner5-95/+150
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: Rename the DCBP_* functions to dcbp_* and move them to where they are usedAndreas Gruenbacher3-46/+39
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: Make _drbd_send_bitmap() staticAndreas Gruenbacher2-2/+1
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: Move drbd_send_ping() and drbd_send_ping_ack() to drbd_main.cAndreas Gruenbacher2-11/+14
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: Always use the same protocol version for the same peerAndreas Gruenbacher2-4/+4
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>
2012-11-08drbd: drbd_connected(): Return an error code upon failure.Andreas Gruenbacher1-8/+9
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: Introduce and use drbd_recv_all_warn()Andreas Gruenbacher1-73/+40
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>
2012-11-08drbd: Get rid of typedef drbd_work_cbAndreas Gruenbacher1-3/+1
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>
2012-11-08drbd: Rename various functions from *_oos_* to *_out_of_sync_* for clarityAndreas Gruenbacher6-19/+19
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_may_do_local_read(): Use bool/true/falseAndreas Gruenbacher1-5/+4
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: Remove unnecessary assertionAndreas Gruenbacher1-1/+0
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>
2012-11-08drbd: Remove duplicate initializationAndreas Gruenbacher1-1/+1
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_md_sync_page_io(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-10/+8
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: _drbd_md_sync_page_io(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-6/+7
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_bm_read() never returns a positive value through drbd_bitmap_io()Andreas Gruenbacher1-1/+1
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: Make all command handlers return 0 upon success and an error code otherwiseAndreas Gruenbacher1-84/+93
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: Add drbd_recv_all(): Receive an entire bufferAndreas Gruenbacher1-0/+13
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: send_bitmap_rle_or_plain(): Error handling cleanupAndreas Gruenbacher1-5/+5
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: recv_resync_read(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-3/+3
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: recv_dless_read(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-5/+5
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_drain_block(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-10/+12
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_recv_header(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-16/+22
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: decode_header(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-5/+5
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_process_done_ee(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-4/+8
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: Make all worker callbacks return 0 upon success and an error code otherwiseAndreas Gruenbacher6-158/+160
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: Temporarily change the return type of all worker callbacksAndreas Gruenbacher6-58/+56
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>
2012-11-08drbd: drbd_send_short_cmd(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-2/+2
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_dblock(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-12/+13
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: _drbd_send_bio(), _drbd_send_zc_bio(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-12/+18
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_block(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-14/+15
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: _drbd_send_zc_ee(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-5/+8
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: _drbd_send_page(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-21/+23
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: _drbd_no_send_page(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-9/+15
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_oos(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-2/+2
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_drequest_csum(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-13/+11
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_drequest(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-6/+4
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_ov_request(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-4/+2
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_ack_ex(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-6/+6
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_ack_{dp,rp}(): Return void: the result is never usedAndreas Gruenbacher2-11/+11
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_ack(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher3-14/+14
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: _drbd_send_ack(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher1-15/+13
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_b_ack(): Return void: the result is never usedAndreas Gruenbacher2-9/+5
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_sr_reply(): Return void: the result is never usedAndreas Gruenbacher2-3/+3
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_state_req(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-2/+2
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: conn_send_state_req(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-2/+2
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: _conn_send_state_req(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-3/+3
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_sizes(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-4/+2
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_gen_and_send_sync_uuid(): Return void: the result is never usedAndreas Gruenbacher2-3/+3
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_uuids() and its variants: Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-3/+3
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-08drbd: drbd_send_protocol(): Return 0 upon success and an error code otherwiseAndreas Gruenbacher2-6/+6
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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