From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: [PATCH] xen_disk: implement BLKIF_OP_FLUSH_DISKCACHE, remove BLKIF_OP_WRITE_BARRIER Date: Mon, 16 Apr 2012 18:05:57 +0100 Message-ID: <1334595957-12552-1-git-send-email-stefano.stabellini@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, xen-devel@lists.xensource.com, konrad.wilk@oracle.com, stefano.stabellini@eu.citrix.com List-Id: xen-devel@lists.xenproject.org Signed-off-by: Stefano Stabellini --- hw/xen_disk.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/xen_disk.c b/hw/xen_disk.c index 015d2af..3e4a47b 100644 --- a/hw/xen_disk.c +++ b/hw/xen_disk.c @@ -183,12 +183,12 @@ static int ioreq_parse(struct ioreq *ioreq) case BLKIF_OP_READ: ioreq->prot = PROT_WRITE; /* to memory */ break; - case BLKIF_OP_WRITE_BARRIER: + case BLKIF_OP_FLUSH_DISKCACHE: if (!ioreq->req.nr_segments) { ioreq->presync = 1; return 0; } - ioreq->presync = ioreq->postsync = 1; + ioreq->postsync = 1; /* fall through */ case BLKIF_OP_WRITE: ioreq->prot = PROT_READ; /* from memory */ @@ -354,7 +354,7 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq) qemu_aio_complete, ioreq); break; case BLKIF_OP_WRITE: - case BLKIF_OP_WRITE_BARRIER: + case BLKIF_OP_FLUSH_DISKCACHE: if (!ioreq->req.nr_segments) { break; } @@ -627,7 +627,7 @@ static int blk_init(struct XenDevice *xendev) blkdev->file_size, blkdev->file_size >> 20); /* fill info */ - xenstore_write_be_int(&blkdev->xendev, "feature-barrier", 1); + xenstore_write_be_int(&blkdev->xendev, "feature-flush-cache", 1); xenstore_write_be_int(&blkdev->xendev, "info", info); xenstore_write_be_int(&blkdev->xendev, "sector-size", blkdev->file_blk); xenstore_write_be_int(&blkdev->xendev, "sectors", -- 1.7.2.5