Thomas Schoebel-Theuer
41d8af3f6d
light: trigger after remote copy has finished
2013-01-23 20:07:00 +01:00
Thomas Schoebel-Theuer
1160328832
light: call remote_trigger() only when necessary
2013-01-23 20:07:00 +01:00
Thomas Schoebel-Theuer
6b31a0265c
copy: disallow write overlapping by default
2013-01-23 20:07:00 +01:00
Thomas Schoebel-Theuer
f447ebea58
light: bump min_free_kbytes
2013-01-23 20:07:00 +01:00
Thomas Schoebel-Theuer
fb964fcc75
mem: pre-allocate only the necessary
2013-01-23 20:07:00 +01:00
Thomas Schoebel-Theuer
93b05fc6db
mem: more verbose reporting
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
854e90b384
infra: qiet harmless race
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
7cc5c12436
light: offload trans_logger from symlink update (deadlock prevention)
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
a036a01188
light: fix logfile rotation
...
The old code had races, migitated by long timeouts.
The new code has strictly no dependencies from realtime.
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
899b0a5743
trans_logger: fix potential race on old versionlink computation
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
9692a33f33
aio: remove obsolete wait_during_fdsync
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
db06f20a05
light: workaround race between remote deletion and local use
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
531e4def99
infra: fix memleak when brick is not killable
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
31374c81ab
lib_log: safeguard seq_nr
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
2a809fddfd
trans_logger: fix start_pos on log replay
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
146101d034
lib_log: use standard chunk_size in log_read()
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
44f45025f8
lib_log: better data safety, rework error handling
2013-01-23 20:06:59 +01:00
Thomas Schoebel-Theuer
bcf323c254
lib_log: add log sequence number checks
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
4677514aab
light: immediately stop log replay upon rmmod
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
0f9f2b404d
light: protect copy against concurrent logfile updates
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
c92ebb653e
trans_logger: additional log_flush() on logrotate
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
5d3104ec23
trans_logger: call log_flush() exactly when necessary
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
47c8f6ae57
trans_logger: do preio() much earlier
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
106579ac32
if: add statistics on skip_sync
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
462dc0c12a
trans_logger: update inf_min_pos for ALL original requests
...
even for hidden ones which have been completely shadowed by
later requests.
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
4ab32dd2a2
trans_logger: fix potentially incorrect log_pos computation
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
f8496d2392
trans_logger: report pos_count specificly for input
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
b5488cbea4
trans_logger: count flying logger requests separately
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
71429b5bee
trans_logger: never collect non-persistent data for writeback
2013-01-23 20:06:58 +01:00
Thomas Schoebel-Theuer
f569a3f604
trans_logger: remove obsolete timestamp-basing of writeback
...
Only costs performance.
The effect should now be achieved by detection of writeback collisions.
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
5fe6ff76df
trans_logger: cease queue banning upon real progress
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
e4ace4a8d5
trans_logger: disallow writeback collisions with itself
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
df950fe505
trans_logger: disallow KEEP_UNIQUE data buffer modification after IO has started
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
8601114229
brick_mem: show BRICK_DEBUG_MEM to other modules
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
6579498a4b
lib_log: use uniform allocation size
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
28d433cc81
trans_logger: fix potential race on log_input
...
During logrotate, there may exist writeback clusters
with mixed log_inputs. Each sub_mref now gets its individual
log_input inherited from the orig_mref. Add ref counting
to ensure that cleanup can never occur on an active log_input.
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
51fe58aeac
trans_logger: fix races on _inf_callback()
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
ec69356a14
trans_logger: make completion_semantics configurable
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
5af5fbf6b2
trans_logger: remove deprecated variants
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
542e3a9ae6
trans_logger: fix race in _complete()
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
7b905f93ad
trans_logger: limit q0 length
2013-01-23 20:06:57 +01:00
Thomas Schoebel-Theuer
8a7d86e73b
trans_logger: avoid CPU consumption upon untreatable queues
2013-01-23 20:06:56 +01:00
Thomas Schoebel-Theuer
37fdd05899
trans_logger: report #pushbacks and no_progress
2013-01-23 20:06:56 +01:00
Thomas Schoebel-Theuer
31ffd7d11e
if: fix mars_congested() to report writes
2013-01-23 20:06:56 +01:00
Thomas Schoebel-Theuer
e937cd56eb
trans_logger: additional global mref_flying limit
2013-01-23 20:06:56 +01:00
Thomas Schoebel-Theuer
fa12becf00
trans_logger: add CRC checksumming of data
...
Off by default, since it may hurt performance.
2013-01-23 20:06:56 +01:00
Thomas Schoebel-Theuer
d9cbea66c2
aio: do mapfree_pages() via background thread
...
This is crucial for performance, since invalidate_mapping_pages()
may take a long time and consume a lot of CPU.
Decouple it from time-critical worker threads.
2013-01-23 20:06:56 +01:00
Thomas Schoebel-Theuer
c6d22e7553
marsadm: log all messages to syslog
2013-01-23 20:06:56 +01:00
jmann
70d409b200
mars-status: release 0.070
...
--------------------------
- same small fixes
- upgrade history-replay
- logfile-delay
- displaying debug
- upgrade replay*/version* links
- upgrade system links
2013-01-23 20:06:56 +01:00
jmann
f46fb7b61e
release 0.071
...
- same small fixes
- upgrade history-replay
- logfile-delay
- displaying debug
- upgrade replay*/version* links
- upgrade system links
2013-01-23 20:06:56 +01:00
