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262918 Commits

Author SHA1 Message Date
Andreas Gruenbacher a02d124091 drbd: Rename the DCBP_* functions to dcbp_* and move them to where they are used 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:52 +01:00
Andreas Gruenbacher 058820cdd7 drbd: Make _drbd_send_bitmap() static 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:52 +01:00
Andreas Gruenbacher e307f352b4 drbd: Move drbd_send_ping() and drbd_send_ping_ack() to drbd_main.c 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:52 +01:00
Andreas Gruenbacher 0916e0e308 drbd: Always use the same protocol version for the same peer 
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>
 2012-11-08 16:44:51 +01:00
Andreas Gruenbacher 0829f5edf3 drbd: drbd_connected(): Return an error code upon failure. 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:51 +01:00
Andreas Gruenbacher a5c3190435 drbd: Introduce and use drbd_recv_all_warn() 
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>
 2012-11-08 16:44:50 +01:00
Andreas Gruenbacher 309a834896 drbd: Get rid of typedef drbd_work_cb 
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>
 2012-11-08 16:44:50 +01:00
Andreas Gruenbacher 8f7bed7774 drbd: Rename various functions from *_oos_* to *_out_of_sync_* for clarity 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:50 +01:00
Andreas Gruenbacher 0da34df0d0 drbd: drbd_may_do_local_read(): Use bool/true/false 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:49 +01:00
Andreas Gruenbacher 1097e9a80c drbd: Remove unnecessary assertion 
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>
 2012-11-08 16:44:49 +01:00
Andreas Gruenbacher 69f5ec728c drbd: Remove duplicate initialization 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:49 +01:00
Andreas Gruenbacher 3fbf4d21ae drbd: drbd_md_sync_page_io(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:48 +01:00
Andreas Gruenbacher ac29f4039a drbd: _drbd_md_sync_page_io(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:48 +01:00
Andreas Gruenbacher 22ab6a30b8 drbd: drbd_bm_read() never returns a positive value through drbd_bitmap_io() 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:47 +01:00
Andreas Gruenbacher 82bc01940a drbd: Make all command handlers return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:47 +01:00
Andreas Gruenbacher c696774691 drbd: Add drbd_recv_all(): Receive an entire buffer 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:47 +01:00
Andreas Gruenbacher a982dd579c drbd: send_bitmap_rle_or_plain(): Error handling cleanup 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:46 +01:00
Andreas Gruenbacher e1c1b0fc8f drbd: recv_resync_read(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:46 +01:00
Andreas Gruenbacher 28284ceff0 drbd: recv_dless_read(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:45 +01:00
Andreas Gruenbacher fc5be8397f drbd: drbd_drain_block(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:45 +01:00
Andreas Gruenbacher 69bc7bc351 drbd: drbd_recv_header(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:45 +01:00
Andreas Gruenbacher 8172f3e9bf drbd: decode_header(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:44 +01:00
Andreas Gruenbacher e2b3032b90 drbd: drbd_process_done_ee(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:44 +01:00
Andreas Gruenbacher 99920dc5c5 drbd: Make all worker callbacks return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:43 +01:00
Andreas Gruenbacher b2f0ab62ec drbd: Temporarily change the return type of all worker callbacks 
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>
 2012-11-08 16:44:43 +01:00
Andreas Gruenbacher a896527c06 drbd: drbd_send_short_cmd(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:43 +01:00
Andreas Gruenbacher 6bdb9b0e23 drbd: drbd_send_dblock(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:42 +01:00
Andreas Gruenbacher 7fae55da38 drbd: _drbd_send_bio(), _drbd_send_zc_bio(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:42 +01:00
Andreas Gruenbacher 7b57b89d62 drbd: drbd_send_block(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:42 +01:00
Andreas Gruenbacher 9f69230cd6 drbd: _drbd_send_zc_ee(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:41 +01:00
Andreas Gruenbacher 88b390ff63 drbd: _drbd_send_page(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:41 +01:00
Andreas Gruenbacher b987427b53 drbd: _drbd_no_send_page(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:40 +01:00
Andreas Gruenbacher 73218a3c4c drbd: drbd_send_oos(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:40 +01:00
Andreas Gruenbacher db1b0b724e drbd: drbd_send_drequest_csum(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:40 +01:00
Andreas Gruenbacher 6c1005e74d drbd: drbd_send_drequest(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:39 +01:00
Andreas Gruenbacher 5b9f499c66 drbd: drbd_send_ov_request(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:39 +01:00
Andreas Gruenbacher fa79abd893 drbd: drbd_send_ack_ex(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:38 +01:00
Andreas Gruenbacher a9a9994dc7 drbd: drbd_send_ack_{dp,rp}(): Return void: the result is never used 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:38 +01:00
Andreas Gruenbacher dd5161218b drbd: drbd_send_ack(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:38 +01:00
Andreas Gruenbacher a8c32aa846 drbd: _drbd_send_ack(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:37 +01:00
Andreas Gruenbacher d4e67d7c4f drbd: drbd_send_b_ack(): Return void: the result is never used 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:37 +01:00
Andreas Gruenbacher 2f4e7abe51 drbd: drbd_send_sr_reply(): Return void: the result is never used 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:36 +01:00
Andreas Gruenbacher d24ae219e9 drbd: drbd_send_state_req(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:36 +01:00
Andreas Gruenbacher caee1c3a92 drbd: conn_send_state_req(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:36 +01:00
Andreas Gruenbacher 758970c832 drbd: _conn_send_state_req(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:35 +01:00
Andreas Gruenbacher f02d4d0a9c drbd: drbd_send_sizes(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:35 +01:00
Andreas Gruenbacher 9c1b7f7282 drbd: drbd_gen_and_send_sync_uuid(): Return void: the result is never used 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:34 +01:00
Andreas Gruenbacher 2ae5f95b1a drbd: drbd_send_uuids() and its variants: Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:34 +01:00
Andreas Gruenbacher 387eb30817 drbd: drbd_send_protocol(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:34 +01:00
Andreas Gruenbacher e8d17b015e drbd: drbd_send_handshake(): Return 0 upon success and an error code otherwise 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:33 +01:00