Module Name: src
Committed By: dholland
Date: Thu May 5 06:17:45 UTC 2016
Modified Files:
src/doc/roadmaps: storage
Log Message:
mention some of the other known severe wapbl problems
To generate a diff of this commit:
cvs rdiff -u -r1.12 -r1.13 src/doc/roadmaps/storage
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/doc/roadmaps/storage
diff -u src/doc/roadmaps/storage:1.12 src/doc/roadmaps/storage:1.13
--- src/doc/roadmaps/storage:1.12 Sun May 1 20:51:36 2016
+++ src/doc/roadmaps/storage Thu May 5 06:17:45 2016
@@ -1,4 +1,4 @@
-$NetBSD: storage,v 1.12 2016/05/01 20:51:36 dholland Exp $
+$NetBSD: storage,v 1.13 2016/05/05 06:17:45 dholland Exp $
NetBSD Storage Roadmap
======================
@@ -90,7 +90,10 @@ best option at this point is:
+ Fixing WAPBL (e.g. to flush newly allocated/newly written blocks to
disk early) has been examined by several people who know the code base
-and judged difficult. Still, it might be the best way forward.
+and judged difficult. Also, some other problems have come to light
+more recently; e.g. PR 50725, PR 47146, and a problem where truncating
+large sparse files takes ~forever. Also see PR 45676. Still, it might
+be the best way forward.
+ There is another journaling FFS; the Harvard one done by Margo
Seltzer's group some years back. We have a copy of this, but as it was
