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a896527c06
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125 Commits

Author SHA1 Message Date
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
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
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
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
04dfa13788 drbd: _drbd_send_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 16:44:31 +01:00
Andreas Gruenbacher
11b0be28e5 drbd: drbd_get_data_sock(): 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 16:44:29 +01:00
Lars Ellenberg
f399002e68 drbd: distribute former syncer_conf settings to disk, connection, and resource level 
This commit breaks the API again.

Move per-volume former syncer options into disk_conf.
Move per-connection former syncer options into net_conf.
Renamed the remainign sync_conf to res_opts

Syncer settings have been changeable at runtime, so we need to prepare
for these settings to be runtime-changeable in their new home as well.

Introduce new configuration operations, and share the netlink attribute
between "attach" (create new disk) and "disk-opts" (change options).
Same for "connect" and "net-opts".

Some fields cannot be changed at runtime, however.
Introduce a new flag GENLA_F_INVARIANT to be able to trigger on that in
the generated validation and assignment functions.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-08 16:44:20 +01:00
Philipp Reisner
38fa9988fa drbd: Do not modify the connection state with something else that conn_request_state() 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2012-11-04 00:16:26 +01:00
Philipp Reisner
81a5d60ecf drbd: Replaced the minor_table array by an idr 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:48:01 +02:00
Philipp Reisner
0e29d163f7 drbd: Reworked the unconfiguring and thread stopping code 
* Moved CONFIG_PENDING and DEVICE_DYING from mdev to tconn.
* Renamed drbd_reconfig_start() and drbd_reconfig_done() to
  conn_reconfig_start() and conn_reconfig_done().

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:55 +02:00
Lars Ellenberg
9676c76097 drbd: fix a wrong likely(), updated comments 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-10-14 16:47:47 +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
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
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
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
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
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
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
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
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
Andreas Gruenbacher
db830c464b drbd: Local variable renames: e -> peer_req 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:42 +02:00
Andreas Gruenbacher
f6ffca9f42 drbd: Rename struct drbd_epoch_entry to struct drbd_peer_request 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:39 +02:00
Andreas Gruenbacher
5e4722645a drbd: _req_conflicts(): Get rid of the epoch_entries tree 
Instead of keeping a separate tree for local and remote write requests
for finding requests and for conflict detection, use the same tree for
both purposes.  Introduce a flag to allow distinguishing the two
possible types of entries in this tree.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:32 +02:00
Philipp Reisner
c012949a40 drbd: Replaced all p_header80 with a generic p_header 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:30:26 +02:00
Philipp Reisner
87eeee41f8 drbd: moved req_lock and transfer log from mdev to tconn 
sed -i \
       -e 's/mdev->req_lock/mdev->tconn->req_lock/g' \
       -e 's/mdev->unused_spare_tle/mdev->tconn->unused_spare_tle/g' \
       -e 's/mdev->newest_tle/mdev->tconn->newest_tle/g' \
       -e 's/mdev->oldest_tle/mdev->tconn->oldest_tle/g' \
       -e 's/mdev->out_of_sequence_requests/mdev->tconn->out_of_sequence_requests/g' \
       *.[ch]

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:30:15 +02:00
Philipp Reisner
31890f4ab2 drbd: moved agreed_pro_version, last_received and ko_count to tconn 
sed -i \
       -e 's/mdev->agreed_pro_version/mdev->tconn->agreed_pro_version/g' \
       -e 's/mdev->last_received/mdev->tconn->last_received/g' \
       -e 's/mdev->ko_count/mdev->tconn->ko_count/g' \
       *.[ch]

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:27:07 +02:00
Philipp Reisner
e6b3ea83bc drbd: moved receiver, worker and asender from mdev to tconn 
Patch mostly:
sed -i -e 's/mdev->receiver/mdev->tconn->receiver/g' \
       -e 's/mdev->worker/mdev->tconn->worker/g' \
       -e 's/mdev->asender/mdev->tconn->asender/g' \
       *.[ch]

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:27:06 +02:00
Philipp Reisner
e42325a576 drbd: moved data and meta from mdev to tconn 
Patch mostly:

sed -i -e 's/mdev->data/mdev->tconn->data/g' \
       -e 's/mdev->meta/mdev->tconn->meta/g' \
       *.[ch]

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:27:05 +02:00
Philipp Reisner
89e58e755e drbd: moved net_conf from mdev to tconn 
Besides moving the struct member, everything else is generated by:

sed -i -e 's/mdev->net_conf/mdev->tconn->net_conf/g' \
       -e 's/odev->net_conf/odev->tconn->net_conf/g' \
       *.[ch]

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:27:03 +02:00
Andreas Gruenbacher
841ce241fa drbd: Replace the ERR_IF macro with an assert-like macro 
Remove the file name and line number from the syslog messages generated:
we have no duplicate function names, and no function contains the same
assertion more than once.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:26:57 +02:00
Andreas Gruenbacher
e77a0a5cc1 drbd: Convert all constants in enum drbd_thread_state to upper case 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:26:56 +02:00
Andreas Gruenbacher
8554df1c6d drbd: Convert all constants in enum drbd_req_event to upper case 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:26:55 +02:00
Andreas Gruenbacher
bb3bfe9614 drbd: Remove the unused hash tables 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:26:54 +02:00
Andreas Gruenbacher
010f6e678f drbd: Put sector and size in struct drbd_epoch_entry into struct drbd_interval 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:26:52 +02:00
Andreas Gruenbacher
ace652acf2 drbd: Put sector and size in struct drbd_request into struct drbd_interval 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-25 14:58:05 +02:00
Andreas Gruenbacher
579b57ed73 drbd: Magic reserved block_id value cleanup 
The ID_VACANT definition has become entirely irrelevant by now.

The is_syncer_block_id() macro does not improve the code, so eliminated
it.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-25 14:57:57 +02:00
Andreas Gruenbacher
9a8e77530f drbd: Consistently use block_id == ID_SYNCER for checksum based resync and online verify 
DRBD_MAGIC has nothing to do with block ids and the funny values
computed were not actually used, anyway.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-25 14:57:55 +02:00