From: jak@rudolph.ccur.com (Joe Korty)
To: rml@tech9.net (Robert Love)
Cc: akpm@zip.com.au (Andrew Morton), linux-kernel@vger.kernel.org
Subject: [PATCH] ext3 lockup fix to lock-break-rml-2.4.18-1.patch
Date: Mon, 22 Jul 2002 20:05:11 -0400 (EDT) [thread overview]
Message-ID: <200207230005.AAA24267@rudolph.ccur.com> (raw)
In-Reply-To: <1027362145.932.49.camel@sinai> from "Robert Love" at Jul 22, 2002 11:22:25 AM
Hi Robert,
The following patch fixes an apparent mismerge of Andrew Morton's low
latency work into the lock breaking patch. Without this fix,
journal_commit_transaction() will loop forever, without making
forward progress, if need_resched was set on entry.
Base to which the patch was derived:
linux.2.4.18.tar.bz2
+ sched-O1-2.4.18-pre8-K3.patch
+ preempt-kernel-rml-2.4.18-rc1-ingo-K3-1.patch
+ lock-break-rml-2.4.18-1.patch
Regards,
Joe
--- fs/jbd/commit.c.orig Mon Jul 22 19:51:43 2002
+++ fs/jbd/commit.c Mon Jul 22 19:52:00 2002
@@ -278,6 +278,7 @@
debug_lock_break(551);
spin_unlock(&journal_datalist_lock);
unlock_journal(journal);
+ unconditional_schedule();
lock_journal(journal);
spin_lock(&journal_datalist_lock);
continue;
next prev parent reply other threads:[~2002-07-23 0:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-20 20:20 [PATCH] low-latency zap_page_range Robert Love
2002-07-22 5:14 ` Andrew Morton
2002-07-22 17:58 ` Robert Love
2002-07-22 18:05 ` Linus Torvalds
2002-07-22 18:22 ` Robert Love
2002-07-23 0:05 ` Joe Korty [this message]
2002-07-22 18:28 ` Robert Love
2002-07-22 18:40 ` Andrew Morton
2002-07-22 18:50 ` Robert Love
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