Commit Graph

2145 Commits

Author SHA1 Message Date
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
Philipp Reisner
0625ac190d drbd: Converted wake_asender() and request_ping() 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 10:26:58 +02:00
Philipp Reisner
808e37b803 drbd: Moved SIGNAL_ASENDER to the per connection (tconn) flags
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:57 +02:00
Philipp Reisner
e43ef195f8 drbd: Moved SEND_PING to the per connection (tconn) flags
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:56 +02:00
Philipp Reisner
25703f8320 drbd: Moved DISCARD_CONCURRENT to the per connection (tconn) flags
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:55 +02:00
Philipp Reisner
01a311a589 drbd: Started to separated connection flags (tconn) from block device flags (mdev)
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:54 +02:00
Philipp Reisner
7653620de3 drbd: Converted drbd_wait_for_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 10:26:53 +02:00
Philipp Reisner
eac3e990e4 drbd: Converted drbd_try_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 10:26:52 +02:00
Philipp Reisner
60ae496626 drbd: conn_printk() a dev_printk() alike for drbd's connections
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:50 +02:00
Philipp Reisner
b53339fce2 drbd: Moving state related macros to drbd_state.h
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:49 +02:00
Philipp Reisner
8ea62f5464 drbd: Revert "Make sure we dont send state if a cluster wide state change is in progress"
This reverts commit 6e9fdc92b77915d5c7ab8fea751f48378f8b0080.

1) This did not fixed the issue
2) Long sleeping work items can cause IO requests to take as long as
   the longest work item

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:48 +02:00
Philipp Reisner
e64a329459 drbd: Do no sleep long in drbd_start_resync
Work items that sleep too long can cause requests to take as
long as the longest sleeping work item.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:47 +02:00
Philipp Reisner
1f04af33fe drbd: Moved code
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:46 +02:00
Philipp Reisner
bc31fe3352 drbd: Eliminated the user of drbd_task_to_thread()
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:45 +02:00