diff options
| author | Chris Lalancette | 2010-07-21 21:41:45 +0200 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk | 2011-04-15 00:26:13 +0200 |
| commit | cbf462908c8080f47c2a3300072877589dd1275f (patch) | |
| tree | 645741aed7bc9d818dbbccc1f2558f9df9a973bf /drivers/xen/blkback/xenbus.c | |
| parent | xen/blkback: add accessor for xenbus backend device (diff) | |
| download | kernel-qcow2-linux-cbf462908c8080f47c2a3300072877589dd1275f.tar.gz kernel-qcow2-linux-cbf462908c8080f47c2a3300072877589dd1275f.tar.xz kernel-qcow2-linux-cbf462908c8080f47c2a3300072877589dd1275f.zip | |
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: Chris Lalancette <clalance@redhat.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'drivers/xen/blkback/xenbus.c')
| -rw-r--r-- | drivers/xen/blkback/xenbus.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/xen/blkback/xenbus.c b/drivers/xen/blkback/xenbus.c index c31e5c40b45c..a0534fc6a428 100644 --- a/drivers/xen/blkback/xenbus.c +++ b/drivers/xen/blkback/xenbus.c @@ -91,6 +91,13 @@ static void update_blkif_status(blkif_t *blkif) 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); if (IS_ERR(blkif->xenblkd)) { err = PTR_ERR(blkif->xenblkd); |