tree 7c1861837185ba98074140dba8f03e65941c8c8c
parent 5dba48a882c126ccc86db6506cfa6dcca97badab
author Kevin Wolf <kwolf@redhat.com> 1287672223 +0200
committer Kevin Wolf <kwolf@redhat.com> 1288871536 +0100

block: Allow bdrv_flush to return errors

This changes bdrv_flush to return 0 on success and -errno in case of failure.
It's a requirement for implementing proper error handle in users of bdrv_flush.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>