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.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
Cc: Bob Liu <bob....@oracle.com>
---
drivers/block/xen-blkback/xenbus.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
--- 4.5-rc3/drivers/block/xen-blkback/xenbus.c
+++ 4.5-rc3-xen-blkback-ind-descr-advertise/drivers/block/xen-blkback/xenbus.c
@@ -618,6 +618,14 @@ static int xen_blkbk_probe(struct xenbus
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));
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