git: DragonFly_RELEASE_2_6 nata - Drop pending requests on dump

[Alex Hornung <alexh@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 018e5d993bf9ddb485f7f07dc33398cd2099975f
Author: Alex Hornung <ahornung@gmail.com>
Date:   Tue Apr 13 16:32:08 2010 +0000

    nata - Drop pending requests on dump
    
    * Drop all pending requests in the ata queue when we are about to dump.
    
    * This should solve issues that have been appearing lately causing a
      TAILQ_NEXT panic on dumps with nata under heavy I/O.
    
    Reported-by: Jan Lentfer (lentferj@), Antonio Huete (tuxillo@)
    Obtained-from: FreeBSD

Summary of changes:
 sys/dev/disk/nata/ata-all.h   |    1 +
 sys/dev/disk/nata/ata-disk.c  |    1 +
 sys/dev/disk/nata/ata-queue.c |   18 ++++++++++++++++++
 3 files changed, 20 insertions(+), 0 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/018e5d993bf9ddb485f7f07dc33398cd2099975f


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