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From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: xen-devel@lists.xensource.com
Cc: Ian.Jackson@eu.citrix.com,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: [PATCH 2/3] xen_disk: use bdrv_aio_flush instead of bdrv_flush
Date: Tue, 24 Apr 2012 14:08:48 +0100	[thread overview]
Message-ID: <1335272929-22967-2-git-send-email-stefano.stabellini@eu.citrix.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1204241404180.26786@kaball-desktop>

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
 hw/xen_disk.c |   15 ++++++++-------
 1 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/hw/xen_disk.c b/hw/xen_disk.c
index f9ef062..900f456 100644
--- a/hw/xen_disk.c
+++ b/hw/xen_disk.c
@@ -382,8 +382,6 @@ static void qemu_aio_complete(void *opaque, int ret)
     ioreq->aio_inflight--;
     if (ioreq->aio_inflight > 0)
         return;
-    if (ioreq->postsync)
-	bdrv_flush(ioreq->blkdev->bs);
 
     ioreq->status = ioreq->aio_errors ? BLKIF_RSP_ERROR : BLKIF_RSP_OKAY;
     ioreq_unmap(ioreq);
@@ -398,9 +396,10 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq)
     if (ioreq->req.nr_segments && ioreq_map(ioreq) == -1)
 	goto err;
 
-    ioreq->aio_inflight++;
-    if (ioreq->presync)
-	bdrv_flush(blkdev->bs); /* FIXME: aio_flush() ??? */
+    if (ioreq->presync) {
+        ioreq->aio_inflight++;
+        bdrv_aio_flush(ioreq->blkdev->bs, qemu_aio_complete, ioreq);
+    }
 
     switch (ioreq->req.operation) {
     case BLKIF_OP_READ:
@@ -422,8 +421,10 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq)
 	/* unknown operation (shouldn't happen -- parse catches this) */
 	goto err;
     }
-
-    qemu_aio_complete(ioreq, 0);
+    if (ioreq->postsync) {
+        ioreq->aio_inflight++;
+        bdrv_aio_flush(ioreq->blkdev->bs, qemu_aio_complete, ioreq);
+    }
 
     return 0;
 
-- 
1.7.2.5

  parent reply	other threads:[~2012-04-24 13:08 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-24 13:07 [PATCH 0/3] qemu-xen-traditional: xen_disk backports Stefano Stabellini
2012-04-24 13:08 ` [PATCH 1/3] xen: handle backend deletion from xenstore Stefano Stabellini
2012-04-24 13:08 ` Stefano Stabellini [this message]
2012-04-24 13:08 ` [PATCH 3/3] xen_disk: implement BLKIF_OP_FLUSH_DISKCACHE, remove BLKIF_OP_WRITE_BARRIER Stefano Stabellini
2012-04-24 15:53 ` [PATCH 0/3] qemu-xen-traditional: xen_disk backports Ian Jackson

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