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Commit cbf46290 authored by Chris Lalancette's avatar Chris Lalancette Committed by Konrad Rzeszutek Wilk
Browse files

xen/blkback: Flush blkback data when connecting. 



First cut at flushing blkback data when first connecting
blkback.  This should avoid the pygrub issues we are experiencing
in (RedHat bugzilla) 466681.

[ 2.6.18-xen.hg commit 63b4d7f56688 ]

Signed-off-by: default avatarChris Lalancette <clalance@redhat.com>
Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
parent 98e036a3

drivers/xen/blkback/xenbus.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -91,6 +91,13 @@ static void update_blkif_status(blkif_t *blkif) 
		return;

		return;

	}

	}





	err = filemap_write_and_wait(blkif->vbd.bdev->bd_inode->i_mapping);

	if (err) {

		xenbus_dev_error(blkif->be->dev, err, "block flush");

		return;

	}

	invalidate_inode_pages2(blkif->vbd.bdev->bd_inode->i_mapping);



	blkif->xenblkd = kthread_run(blkif_schedule, blkif, name);

	blkif->xenblkd = kthread_run(blkif_schedule, blkif, name);

	if (IS_ERR(blkif->xenblkd)) {

	if (IS_ERR(blkif->xenblkd)) {

		err = PTR_ERR(blkif->xenblkd);

		err = PTR_ERR(blkif->xenblkd);