8 Commits

Author	SHA1	Message	Date
Thomas Schoebel-Theuer	99644a943a	all: make *_switch() code idempotent ... New semantics: it must be possible to call the switch functions even when nothing has changed.	2013-10-17 07:48:32 +02:00
Thomas Schoebel-Theuer	4b59be870e	copy: speedup by making overlap the default ... Since commit 62e2f5944b, aio prevents races on the length of a transaction logfile. Thefore, we can safely enable IO parallelism at writes fired off by copy. The old behaviour was a serious IO bottleneck.	2013-08-06 14:30:05 +02:00
Thomas Schoebel-Theuer	3f3a4c365a	copy: fix / improve IO debugging	2013-08-06 13:09:55 +02:00
Thomas Schoebel-Theuer	c877c43eff	copy: limit IO parallelism via /proc	2013-07-22 09:15:53 +02:00
Thomas Schoebel-Theuer	72a2537c6d	copy: make io_prio configurable via /proc	2013-07-22 08:44:03 +02:00
Thomas Schoebel-Theuer	61e5d30757	copy: use kb as limiter units	2013-07-15 12:21:16 +02:00
Thomas Schoebel-Theuer	be412e736d	copy: avoid higher-order pages for state tables	2013-04-15 18:37:12 +02:00
Thomas Schoebel-Theuer	c58417d271	all: move kernel source into separate directory	2013-04-08 17:01:37 +02:00