From 5a7058450cbc8702f976d1f444974485c70cb525 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Wed, 10 Feb 2016 04:18:10 -0700 Subject: xen-blkback: advertise indirect segment support earlier MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit There's no reason to defer this until the connect phase, and in fact there are frontend implementations expecting this to be available earlier. Move it into the probe function. Acked-by: Roger Pau Monné Signed-off-by: Jan Beulich Cc: Bob Liu Signed-off-by: Konrad Rzeszutek Wilk --- drivers/block/xen-blkback/xenbus.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'drivers/block/xen-blkback') diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 876763f7f13e..16e28ee880a4 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -618,6 +618,14 @@ static int xen_blkbk_probe(struct xenbus_device *dev, goto fail; } + err = xenbus_printf(XBT_NIL, dev->nodename, + "feature-max-indirect-segments", "%u", + MAX_INDIRECT_SEGMENTS); + if (err) + dev_warn(&dev->dev, + "writing %s/feature-max-indirect-segments (%d)", + dev->nodename, err); + /* Multi-queue: advertise how many queues are supported by us.*/ err = xenbus_printf(XBT_NIL, dev->nodename, "multi-queue-max-queues", "%u", xenblk_max_queues); @@ -849,11 +857,6 @@ again: dev->nodename); goto abort; } - err = xenbus_printf(xbt, dev->nodename, "feature-max-indirect-segments", "%u", - MAX_INDIRECT_SEGMENTS); - if (err) - dev_warn(&dev->dev, "writing %s/feature-max-indirect-segments (%d)", - dev->nodename, err); err = xenbus_printf(xbt, dev->nodename, "sectors", "%llu", (unsigned long long)vbd_sz(&be->blkif->vbd)); -- cgit v1.2.3