[haiku-commits] r35530 - haiku/trunk/src/system/kernel/cache
- From: ingo_weinhold@xxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Sat, 20 Feb 2010 11:51:53 +0100 (CET)
Author: bonefish
Date: 2010-02-20 11:51:53 +0100 (Sat, 20 Feb 2010)
New Revision: 35530
Changeset: http://dev.haiku-os.org/changeset/35530/haiku
Modified:
haiku/trunk/src/system/kernel/cache/file_cache.cpp
Log:
cache_io(): Also requeue the last touched page to keep things roughly LRU
sorted.
Modified: haiku/trunk/src/system/kernel/cache/file_cache.cpp
===================================================================
--- haiku/trunk/src/system/kernel/cache/file_cache.cpp 2010-02-20 10:46:50 UTC
(rev 35529)
+++ haiku/trunk/src/system/kernel/cache/file_cache.cpp 2010-02-20 10:51:53 UTC
(rev 35530)
@@ -824,13 +824,6 @@
cache->MarkPageUnbusy(page);
}
- if (bytesLeft <= bytesInPage) {
- // we've read the last page, so we're done!
- locker.Unlock();
- vm_page_unreserve_pages(&reservation);
- return B_OK;
- }
-
// If it is cached only, requeue the page, so the
respective queue
// roughly remains LRU first sorted.
if (page->state == PAGE_STATE_CACHED
@@ -840,6 +833,13 @@
DEBUG_PAGE_ACCESS_END(page);
}
+ if (bytesLeft <= bytesInPage) {
+ // we've read the last page, so we're done!
+ locker.Unlock();
+ vm_page_unreserve_pages(&reservation);
+ return B_OK;
+ }
+
// prepare a potential gap request
lastBuffer = buffer + bytesInPage;
lastLeft = bytesLeft - bytesInPage;
Other related posts:
- » [haiku-commits] r35530 - haiku/trunk/src/system/kernel/cache - ingo_weinhold
