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[Qemu-block] [PATCH v5 01/42] block: Mark commit and mirror as filter dr
From: |
Max Reitz |
Subject: |
[Qemu-block] [PATCH v5 01/42] block: Mark commit and mirror as filter drivers |
Date: |
Thu, 13 Jun 2019 00:09:23 +0200 |
The commit and mirror block nodes are filters, so they should be marked
as such. (Strictly speaking, BDS.is_filter's documentation states that
a filter's child must be bs->file. The following patch will relax this
restriction, however.)
Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Alberto Garcia <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
block/commit.c | 2 ++
block/mirror.c | 2 ++
2 files changed, 4 insertions(+)
diff --git a/block/commit.c b/block/commit.c
index c815def89a..f20a26fecd 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -256,6 +256,8 @@ static BlockDriver bdrv_commit_top = {
.bdrv_co_block_status = bdrv_co_block_status_from_backing,
.bdrv_refresh_filename = bdrv_commit_top_refresh_filename,
.bdrv_child_perm = bdrv_commit_top_child_perm,
+
+ .is_filter = true,
};
void commit_start(const char *job_id, BlockDriverState *bs,
diff --git a/block/mirror.c b/block/mirror.c
index f8bdb5b21b..4fa8f57c80 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -1480,6 +1480,8 @@ static BlockDriver bdrv_mirror_top = {
.bdrv_co_block_status = bdrv_co_block_status_from_backing,
.bdrv_refresh_filename = bdrv_mirror_top_refresh_filename,
.bdrv_child_perm = bdrv_mirror_top_child_perm,
+
+ .is_filter = true,
};
static void mirror_start_job(const char *job_id, BlockDriverState *bs,
--
2.21.0