From ea4e0fbee54da4c78c1803a0b675273aa4875375 Mon Sep 17 00:00:00 2001 From: dholland Date: Thu, 5 May 2016 06:17:45 +0000 Subject: mention some of the other known severe wapbl problems --- doc/roadmaps/storage | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'doc/roadmaps') diff --git a/doc/roadmaps/storage b/doc/roadmaps/storage index b48053c933a..5e6feb10b3b 100644 --- a/doc/roadmaps/storage +++ b/doc/roadmaps/storage @@ -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 -- cgit