diff options
| author |   Kevin Wolf <kwolf@redhat.com> | 2017-12-06 17:05:44 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2017-12-22 15:05:32 +0100 |
| commit | b0165585900f050f403cecba9d89adeccf35dd6c (patch) | |
| tree | 82a19acb79e687005a43bdaed32f8c34fdcde05f /block/commit.c | |
| parent | block: Don't notify parents in drain call chain (diff) | |
| download | qemu-b0165585900f050f403cecba9d89adeccf35dd6c.tar.xz qemu-b0165585900f050f403cecba9d89adeccf35dd6c.zip | |
block: Add bdrv_subtree_drained_begin/end()
bdrv_drained_begin() waits for the completion of requests in the whole
subtree, but it only actually keeps its immediate bs parameter quiesced
until bdrv_drained_end().
Add a version that keeps the whole subtree drained. As of this commit,
graph changes cannot be allowed during a subtree drained section, but
this will be fixed soon.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/commit.c')
0 files changed, 0 insertions, 0 deletions