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262796 Commits

Author SHA1 Message Date
Lars Ellenberg 61610420f7 drbd: in drbd_suspend_al, set AL_SUSPENDED before unlocking the activity log 
As using an empty activity log is the whole point of the excercise,
make sure it is still empty when setting AL_SUSPENDED.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:41 +02:00
Lars Ellenberg 867f57483b drbd: fix typo in comment 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:40 +02:00
Lars Ellenberg 8c387def58 drbd: simplify condition in drbd_may_do_local_read() 
fold
	if (x >= (N+1))
		return 0;
	if (x < N)
		return 0;
into
	if (x != N)
		return 0;

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:39 +02:00
Andreas Gruenbacher c670a39867 drbd: Use the IS_ALIGNED() macro in some more places 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:39 +02:00
Andreas Gruenbacher 8ca9844f10 drbd: Remove obsolete comment 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:38 +02:00
Andreas Gruenbacher d0e22a260c drbd: Iterate over all overlapping intervals in a tree 
Add a macro and helper function for doing that.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:37 +02:00
Andreas Gruenbacher fcefa62e4c drbd: Rename drbd_endio_{pri,sec} -> drbd_{,peer_}request_endio 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:36 +02:00
Andreas Gruenbacher fbe29dec98 drbd: Rename drbd_submit_ee -> drbd_submit_peer_request 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:35 +02:00
Philipp Reisner df24aa45f4 drbd: Implemented connection wide state changes 
That is used for graceful disconnect only

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:32 +02:00
Philipp Reisner 047cd4a682 drbd: implemented receiving of P_CONN_ST_CHG_REQ 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:45:05 +02:00
Philipp Reisner fc3b10a45f drbd: Implemented receiving of P_CONN_ST_CHG_REPLY 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:45:04 +02:00
Philipp Reisner 5aabf467e3 drbd: Global_state_lock not necessary here... 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:45:03 +02:00
Philipp Reisner cf29c9d8c8 drbd: Implemented conn_send_state_req() 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:45:02 +02:00
Philipp Reisner 8410da8f0e drbd: Introduced tconn->cstate_mutex 
In compatibility mode with old DRBDs, use that as the state_mutex
as well.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:45:01 +02:00
Philipp Reisner dad2055481 drbd: Removed drbd_state_lock() and drbd_state_unlock() 
The lock they constructed is only taken when the state_mutex
was already taken. It is superficial.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:45:01 +02:00
Philipp Reisner bbeb641c3e drbd: Killed volume0; last step of multi-volume-enablement 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:44:58 +02:00
Philipp Reisner 56707f9e87 drbd: Code de-duplication; new function apply_mask_val() 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:22 +02:00
Philipp Reisner 4308a0a390 drbd: Removed the os parameter form sanitize_state() 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:21 +02:00
Philipp Reisner fda74117dc drbd: Extracted is_valid_conn_transition() out of is_valid_transition() 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:20 +02:00
Philipp Reisner 3509502dc8 drbd: Extracted is_valid_transition() out of sanitize_state() 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:19 +02:00
Philipp Reisner a75f34ad0c drbd: Renamed is_valid_state_transition() to is_valid_soft_transition() 
And removed the unused mdev parameter, and made the order of
the state parameters: os, ns

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:18 +02:00
Philipp Reisner d50eee21c4 drbd: Extracted after_conn_state_ch() out of after_state_ch() 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:17 +02:00
Philipp Reisner 2a67d8b93b drbd: Converted drbd_send_ping() and related functions from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:16 +02:00
Philipp Reisner 00d56944ff drbd: Generalized the work callbacks 
No longer work callbacks must operate on a mdev. From now on they
can also operate on a tconn.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:15 +02:00
Philipp Reisner 6699b65533 drbd: Moved some initializing code into drbd_new_tconn() 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:14 +02:00
Philipp Reisner 392c880192 drbd: drbd_thread has now a pointer to a tconn instead of to a mdev 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:13 +02:00
Philipp Reisner 19393e105f drbd: Converted drbd_worker() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:12 +02:00
Philipp Reisner 32862ec705 drbd: Converted drbd_asender() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:11 +02:00
Philipp Reisner 4d641dd7b0 drbd: Converted drbdd_init() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:10 +02:00
Philipp Reisner f1b3a6ec7d drbd: Consolidated the setup of the thread name into the framework 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:09 +02:00
Philipp Reisner a21e929827 drbd: Moved the mdev member into drbd_work (from drbd_request and drbd_peer_request) 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:08 +02:00
Philipp Reisner 360cc74052 drbd: Converted drbd_free_sock() and drbd_disconnect() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:06 +02:00
Philipp Reisner eefc2f7de2 drbd: Converted drbdd() from mdev to tconn 
The drbd_md_sync(mdev) happens in the after state change anyways...

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:05 +02:00
Philipp Reisner 808222845d drbd: Converted drbd_calc_cpu_mask() and drbd_thread_current_set_cpu() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:04 +02:00
Philipp Reisner 907599e044 drbd: Converted drbd_connect() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:03 +02:00
Philipp Reisner 062e879c8b drbd: Use and idr data structure to map volume numbers to mdev pointers 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:02 +02:00
Philipp Reisner dc8228d107 drbd: Converted drbd_send_protocol() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:01 +02:00
Philipp Reisner 13e6037dc9 drbd: Converted drbd_do_auth() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:33:00 +02:00
Philipp Reisner 611208706f drbd: Converted drbd_(get|put)_data_sock() and drbd_send_cmd2() to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:32:59 +02:00
Philipp Reisner 65d11ed6f2 drbd: Converted drbd_do_handshake() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:32:58 +02:00
Philipp Reisner 9ba7aa00ae drbd: Converted drbd_recv_header() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:32:57 +02:00
Philipp Reisner ce24385342 drbd: Converted decode_header() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:32:56 +02:00
Philipp Reisner 77351055b5 drbd: struct packet_info to hold information of decoded packets 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:32:50 +02:00
Philipp Reisner de0ff338d6 drbd: Converted drbd_recv() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:29:52 +02:00
Philipp Reisner 8a22cccc20 drbd: Converted drbd_send_handshake() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:29:50 +02:00
Philipp Reisner a25b63f1e7 drbd: Converted drbd_recv_fp() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:29:49 +02:00
Philipp Reisner dbd9eea094 drbd: Removed unused mdev argument from drbd_recv_short() and drbd_socket_okay() 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:29:48 +02:00
Philipp Reisner d38e787ecc drbd: Converted drbd_send_fp() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:29:45 +02:00
Philipp Reisner bedbd2a53a drbd: Converted drbd_send() from mdev to tconn 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:27:00 +02:00
Philipp Reisner 1a7ba646e9 drbd: Converted helper functions for drbd_send() to tconn 
* drbd_update_congested()
* we_should_drop_the_connection()

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:59 +02:00