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[Cluster-devel] Cluster Project branch, master, updated. cluster-2.99.05-27-ge55f8fd



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       via  e55f8fdb17a56e731d8f4460223d539ecb3557d0 (commit)
      from  64ab697e04242b96455dcb06b55c1dd2b12f30a5 (commit)

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- Log -----------------------------------------------------------------
commit e55f8fdb17a56e731d8f4460223d539ecb3557d0
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 5cc34fb..a8cfe4d 100644
--- a/gnbd-kernel/src/gnbd.c
+++ b/gnbd-kernel/src/gnbd.c
@@ -974,7 +974,7 @@ 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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