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2011-10-14lru_cache.h: fix comments referring to ts_ instead of lc_Lars Ellenberg1-1/+1
For some time we contemplated calling the "struct lru_cache" a "struct tracked_set", and some comments kept the ts_ prefix. Fix those to match the member field names. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: use clear_bit_unlock() where appropriateLars Ellenberg4-12/+7
Some open-coded clear_bit(); smp_mb__after_clear_bit(); should in fact have been smp_mb__before_clear_bit(); clear_bit(); Instead, use clear_bit_unlock() to annotate the intention, and have it do the right thing. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: in drbd_suspend_al, set AL_SUSPENDED before unlocking the activity logLars Ellenberg1-5/+3
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>
2011-10-14drbd: fix typo in commentLars Ellenberg1-1/+1
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: simplify condition in drbd_may_do_local_read()Lars Ellenberg1-3/+1
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>
2011-10-14drbd: Use the IS_ALIGNED() macro in some more placesAndreas Gruenbacher3-5/+5
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: Remove obsolete commentAndreas Gruenbacher1-2/+1
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: Iterate over all overlapping intervals in a treeAndreas Gruenbacher2-4/+30
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>
2011-10-14drbd: Rename drbd_endio_{pri,sec} -> drbd_{,peer_}request_endioAndreas Gruenbacher6-16/+17
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: Rename drbd_submit_ee -> drbd_submit_peer_requestAndreas Gruenbacher3-9/+11
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: Implemented connection wide state changesPhilipp Reisner2-14/+76
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>
2011-10-14drbd: implemented receiving of P_CONN_ST_CHG_REQPhilipp Reisner4-2/+20
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: Implemented receiving of P_CONN_ST_CHG_REPLYPhilipp Reisner2-8/+22
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: Global_state_lock not necessary here...Philipp Reisner1-4/+0
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: Implemented conn_send_state_req()Philipp Reisner3-6/+21
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14drbd: Introduced tconn->cstate_mutexPhilipp Reisner6-17/+26
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>
2011-10-14drbd: Removed drbd_state_lock() and drbd_state_unlock()Philipp Reisner4-29/+8
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>
2011-10-14drbd: Killed volume0; last step of multi-volume-enablementPhilipp Reisner7-86/+276
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Code de-duplication; new function apply_mask_val()Philipp Reisner1-9/+13
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Removed the os parameter form sanitize_state()Philipp Reisner1-20/+19
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Extracted is_valid_conn_transition() out of is_valid_transition()Philipp Reisner1-14/+23
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Extracted is_valid_transition() out of sanitize_state()Philipp Reisner1-22/+49
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Renamed is_valid_state_transition() to is_valid_soft_transition()Philipp Reisner1-16/+10
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>
2011-09-28drbd: Extracted after_conn_state_ch() out of after_state_ch()Philipp Reisner1-10/+16
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_send_ping() and related functions from mdev to tconnPhilipp Reisner5-24/+36
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Generalized the work callbacksPhilipp Reisner6-70/+100
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>
2011-09-28drbd: Moved some initializing code into drbd_new_tconn()Philipp Reisner1-10/+14
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: drbd_thread has now a pointer to a tconn instead of to a mdevPhilipp Reisner5-32/+29
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_worker() from mdev to tconnPhilipp Reisner1-46/+51
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_asender() from mdev to tconnPhilipp Reisner1-56/+69
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbdd_init() from mdev to tconnPhilipp Reisner1-11/+11
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Consolidated the setup of the thread name into the frameworkPhilipp Reisner3-7/+3
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Moved the mdev member into drbd_work (from drbd_request and ↵Philipp Reisner9-21/+34
drbd_peer_request) Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_free_sock() and drbd_disconnect() from mdev to tconnPhilipp Reisner3-46/+56
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbdd() from mdev to tconnPhilipp Reisner2-16/+19
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>
2011-09-28drbd: Converted drbd_calc_cpu_mask() and drbd_thread_current_set_cpu() from ↵Philipp Reisner5-20/+25
mdev to tconn Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_connect() from mdev to tconnPhilipp Reisner1-49/+53
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Use and idr data structure to map volume numbers to mdev pointersPhilipp Reisner2-2/+14
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_send_protocol() from mdev to tconnPhilipp Reisner3-17/+17
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_do_auth() from mdev to tconnPhilipp Reisner1-29/+29
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_(get|put)_data_sock() and drbd_send_cmd2() to tconnPhilipp Reisner4-27/+27
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_do_handshake() from mdev to tconnPhilipp Reisner1-15/+15
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_recv_header() from mdev to tconnPhilipp Reisner1-11/+11
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted decode_header() from mdev to tconnPhilipp Reisner1-4/+4
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: struct packet_info to hold information of decoded packetsPhilipp Reisner1-49/+54
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_recv() from mdev to tconnPhilipp Reisner1-23/+23
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_send_handshake() from mdev to tconnPhilipp Reisner2-11/+11
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_recv_fp() from mdev to tconnPhilipp Reisner1-3/+3
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Removed unused mdev argument from drbd_recv_short() and drbd_socket_okay()Philipp Reisner1-14/+11
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28drbd: Converted drbd_send_fp() from mdev to tconnPhilipp Reisner3-29/+33
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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