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163 Commits

Author SHA1 Message Date
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
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
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
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
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
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
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
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
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
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
Philipp Reisner
bed879ae90 drbd: Moved the thread name into the data structure 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:44 +02:00
Philipp Reisner
b890733953 drbd: Moved the state functions into its own source file 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:43 +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
6c852beca1 drbd: Update some comments 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:41 +02:00
Andreas Gruenbacher
18b75d756b drbd: Clean up some left-overs 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:40 +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
c6f7df42c9 drbd: Remove unused variable in struct drbd_conf 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:37 +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
Andreas Gruenbacher
9e204cddaf drbd: Move some functions to where they are used 
Move drbd_update_congested() to drbd_main.c, and drbd_req_new() and
drbd_req_free() to drbd_req.c: those functions are not used anywhere
else.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:28 +02:00
Andreas Gruenbacher
3e394da184 drbd: Move sequence number logic into drbd_receiver.c and simplify it 
These things are only used there.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:27 +02:00
Andreas Gruenbacher
d876302306 drbd: Rename "enum drbd_packets" to "enum drbd_packet" 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:24 +02:00
Andreas Gruenbacher
f2ad906379 drbd: Move cmdname() out of drbd_int.h 
There is no good reason for cmdname() to be an inline function.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:26:23 +02:00
Philipp Reisner
fd340c12c9 drbd: Use new header layout 
The new header layout will only be used if the peer supports
it of course.

For the first packet and the handshake packet the old (h80)
layout is used for compatibility reasons.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-09-28 10:23:03 +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
191d3cc8d9 drbd: Made drbd_flush_workqueue() to take a tconn instead of an mdev 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:30:24 +02:00
Philipp Reisner
a0638456c6 drbd: moved crypto transformations and friends from mdev to tconn 
sed -i \
       -e 's/mdev->cram_hmac_tfm/mdev->tconn->cram_hmac_tfm/g' \
       -e 's/mdev->integrity_w_tfm/mdev->tconn->integrity_w_tfm/g' \
       -e 's/mdev->integrity_r_tfm/mdev->tconn->integrity_r_tfm/g' \
       -e 's/mdev->int_dig_out/mdev->tconn->int_dig_out/g' \
       -e 's/mdev->int_dig_in/mdev->tconn->int_dig_in/g' \
       -e 's/mdev->int_dig_vv/mdev->tconn->int_dig_vv/g' \
       *.[ch]

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:30:23 +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
b2fb6dbe52 drbd: moved net_cont and net_cnt_wait from mdev to tconn 
Patch partly generated by:

sed -i -e 's/get_net_conf(mdev)/get_net_conf(mdev->tconn)/g' \
       -e 's/put_net_conf(mdev)/put_net_conf(mdev->tconn)/g' \
       -e 's/get_net_conf(odev)/get_net_conf(odev->tconn)/g' \
       -e 's/put_net_conf(odev)/put_net_conf(odev->tconn)/g' \
       *.[ch]

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:27:04 +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
Philipp Reisner
2111438b30 drbd: Minimal struct drbd_tconn 
Starting to dissolve the network connection from the actual
block devices.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:27:02 +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
8b946255f8 drbd: Use interval tree for overlapping epoch entry detection 
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:26:53 +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
dac1389ccc drbd: Add read_requests tree 
We do not do collision detection for read requests, but we still need to
look up the request objects when we receive a package over the network.
Using the same data structure for read and write requests results in
simpler code once the tl_hash and app_reads_hash tables are removed.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
 2011-08-29 11:26:31 +02:00