[Xen-changelog] [xen-unstable] [LINUX] A better way to stop blkdev request handling in blkfront

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 88d867661599a0aa05ec81d75ac6954146d269a9
# Parent  3d85c1136d6366ed9836ff93ca0df4c88a0c2302
[LINUX] A better way to stop blkdev request handling in blkfront
driver.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -r 3d85c1136d63 -r 88d867661599 
linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c
--- a/linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c      Tue Jun 13 
15:19:50 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c      Tue Jun 13 
15:33:10 2006 +0100
@@ -596,8 +596,7 @@ void do_blkif_request(request_queue_t *r
                        continue;
                }
 
-               if (unlikely(info->connected != BLKIF_STATE_CONNECTED) ||
-                   RING_FULL(&info->ring))
+               if (RING_FULL(&info->ring))
                        goto wait;
 
                DPRINTK("do_blk_req %p: cmd %p, sec %lx, "
@@ -697,6 +696,7 @@ static void blkif_free(struct blkfront_i
        spin_lock_irq(&blkif_io_lock);
        info->connected = suspend ?
                BLKIF_STATE_SUSPENDED : BLKIF_STATE_DISCONNECTED;
+       blk_stop_queue(info->rq); /* no more blkif_request() */
        spin_unlock_irq(&blkif_io_lock);
 
        /* Free resources associated with old device channel. */

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