There's now now point in making sure new L2 tables actually hit the disk before
we write out data to clusters because they are not visible on-disk until
qcow_disk_flush() is called which flushes the L1 table.

Cc: Asias He <[email protected]>
Cc: Cyrill Gorcunov <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Prasad Joshi <[email protected]>
Cc: Sasha Levin <[email protected]>
Signed-off-by: Pekka Enberg <[email protected]>
---
 tools/kvm/disk/qcow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/kvm/disk/qcow.c b/tools/kvm/disk/qcow.c
index 0fef92f..35408ab 100644
--- a/tools/kvm/disk/qcow.c
+++ b/tools/kvm/disk/qcow.c
@@ -345,7 +345,7 @@ static u64 qcow_write_l2_table(struct qcow *q, u64 *table)
        clust_sz        = 1 << header->cluster_bits;
        off             = ALIGN(f_sz, clust_sz);
 
-       if (qcow_pwrite_sync(q->fd, table, sz * sizeof(u64), off) < 0)
+       if (pwrite_in_full(q->fd, table, sz * sizeof(u64), off) < 0)
                return 0;
 
        return off;
-- 
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to