commit | 51288d7917e5c5b088985aaa7ff3592561fbc2ba | [log] [tgz] |
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author | Fam Zheng <famz@redhat.com> | Fri Oct 23 11:08:09 2015 +0800 |
committer | Kevin Wolf <kwolf@redhat.com> | Fri Oct 23 18:18:24 2015 +0200 |
tree | 53511dc975f9f608dc4cc8e073c81055ba3565b0 | |
parent | c1e1e5fa8f25f9061b076a05045a6d4950d1a891 [diff] |
block: Introduce "drained begin/end" API The semantics is that after bdrv_drained_begin(bs), bs will not get new external requests until the matching bdrv_drained_end(bs). Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>