Cluster Project branch, RHEL5, updated. cmirror_1_1_15-125-g98a606b
bmarzins@sourceware.org
bmarzins@sourceware.org
Tue Jun 24 22:33:00 GMT 2008
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http://sources.redhat.com/git/gitweb.cgi?p=cluster.git;a=commitdiff;h=98a606bbcac79291f2f34f7c66a98e599f000225
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- Log -----------------------------------------------------------------
commit 98a606bbcac79291f2f34f7c66a98e599f000225
Author: Benjamin Marzinski <bmarzins@redhat.com>
Date: Tue Jun 24 17:11:35 2008 -0500
[gnbd-kernel] bz 442606: Switch gnbd to use deadline scheduler by default.
GNBD was hanging under load with O_DIRECT. GNBD needs to block in its
request function. This causes some problems with the anticipatory scheduler,
which GNBD was using by default. To avoid these, this fix makes gnbd use the
deadline scheduler by default.
-----------------------------------------------------------------------
Summary of changes:
gnbd-kernel/src/gnbd.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/gnbd-kernel/src/gnbd.c b/gnbd-kernel/src/gnbd.c
index 333392d..20790bc 100644
--- a/gnbd-kernel/src/gnbd.c
+++ b/gnbd-kernel/src/gnbd.c
@@ -996,7 +996,7 @@ static int __init gnbd_init(void)
goto out;
}
elevator_exit(disk->queue->elevator);
- err = elevator_init(disk->queue, "anticipatory");
+ err = elevator_init(disk->queue, "deadline");
if (err) {
blk_cleanup_queue(disk->queue);
put_disk(disk);
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