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| author | Max Reitz <mreitz@redhat.com> | 2019-07-03 19:28:02 +0200 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2019-07-15 15:48:40 +0200 |
| commit | e5182c1c57ac9aa0e9c399b9c60af3c41cff35b4 (patch) | |
| tree | 04e54401d154ee49cc0c0855dccef3a9413b04c8 /block/commit.c | |
| parent | 95667c3be0c9f5fc62f58fe845879250f63f7d32 (diff) | |
| download | focaccia-qemu-e5182c1c57ac9aa0e9c399b9c60af3c41cff35b4.tar.gz focaccia-qemu-e5182c1c57ac9aa0e9c399b9c60af3c41cff35b4.zip | |
block: Add BDS.never_freeze
The commit and the mirror block job must be able to drop their filter node at any point. However, this will not be possible if any of the BdrvChild links to them is frozen. Therefore, we need to prevent them from ever becoming frozen. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Message-id: 20190703172813.6868-2-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/commit.c')
| -rw-r--r-- | block/commit.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/commit.c b/block/commit.c index ca7e408b26..2c5a6d4ebc 100644 --- a/block/commit.c +++ b/block/commit.c @@ -298,6 +298,10 @@ void commit_start(const char *job_id, BlockDriverState *bs, if (!filter_node_name) { commit_top_bs->implicit = true; } + + /* So that we can always drop this node */ + commit_top_bs->never_freeze = true; + commit_top_bs->total_sectors = top->total_sectors; bdrv_append(commit_top_bs, top, &local_err); |