Commit ecdd3cc8 authored by Kevin Wolf's avatar Kevin Wolf
Browse files

xen_disk: Call blk_set_enable_write_cache() explicitly 



Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
Acked-by: default avatarStefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: default avatarMax Reitz <mreitz@redhat.com>
parent ce099547

hw/block/xen_disk.c

+4 −1
Original line number Diff line number Diff line
@@ -889,12 +889,14 @@ static int blk_connect(struct XenDevice *xendev) 
    struct XenBlkDev *blkdev = container_of(xendev, struct XenBlkDev, xendev);

    int pers, index, qflags;

    bool readonly = true;

    bool writethrough = true;



    /* read-only ? */

    if (blkdev->directiosafe) {

        qflags = BDRV_O_NOCACHE | BDRV_O_NATIVE_AIO;

    } else {

        qflags = BDRV_O_CACHE_WB;

        qflags = 0;

        writethrough = false;

    }

    if (strcmp(blkdev->mode, "w") == 0) {

        qflags |= BDRV_O_RDWR;
@@ -926,6 +928,7 @@ static int blk_connect(struct XenDevice *xendev) 
            error_free(local_err);

            return -1;

        }

        blk_set_enable_write_cache(blkdev->blk, !writethrough);

    } else {

        /* setup via qemu cmdline -> already setup for us */

        xen_be_printf(&blkdev->xendev, 2, "get configured bdrv (cmdline setup)\n");