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[PATCH for-5.0 v2 07/23] blkverify: Implement .bdrv_recurse_can_replace(
From: |
Max Reitz |
Subject: |
[PATCH for-5.0 v2 07/23] blkverify: Implement .bdrv_recurse_can_replace() |
Date: |
Mon, 11 Nov 2019 17:02:00 +0100 |
Signed-off-by: Max Reitz <address@hidden>
---
block/blkverify.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/block/blkverify.c b/block/blkverify.c
index 304b0a1368..0add3ab483 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -282,6 +282,20 @@ static bool
blkverify_recurse_is_first_non_filter(BlockDriverState *bs,
return bdrv_recurse_is_first_non_filter(s->test_file->bs, candidate);
}
+static bool blkverify_recurse_can_replace(BlockDriverState *bs,
+ BlockDriverState *to_replace)
+{
+ BDRVBlkverifyState *s = bs->opaque;
+
+ /*
+ * blkverify quits the whole qemu process if there is a mismatch
+ * between bs->file->bs and s->test_file->bs. Therefore, we know
+ * know that both must match bs and we can recurse down to either.
+ */
+ return bdrv_recurse_can_replace(bs->file->bs, to_replace) ||
+ bdrv_recurse_can_replace(s->test_file->bs, to_replace);
+}
+
static void blkverify_refresh_filename(BlockDriverState *bs)
{
BDRVBlkverifyState *s = bs->opaque;
@@ -328,6 +342,7 @@ static BlockDriver bdrv_blkverify = {
.is_filter = true,
.bdrv_recurse_is_first_non_filter = blkverify_recurse_is_first_non_filter,
+ .bdrv_recurse_can_replace = blkverify_recurse_can_replace,
};
static void bdrv_blkverify_init(void)
--
2.23.0
- [PATCH for-5.0 v2 01/23] blockdev: Allow external snapshots everywhere, (continued)
- [PATCH for-5.0 v2 01/23] blockdev: Allow external snapshots everywhere, Max Reitz, 2019/11/11
- [PATCH for-5.0 v2 02/23] blockdev: Allow resizing everywhere, Max Reitz, 2019/11/11
- [PATCH for-5.0 v2 03/23] block: Drop bdrv_is_first_non_filter(), Max Reitz, 2019/11/11
- [PATCH for-5.0 v2 04/23] iotests: Let 041 use -blockdev for quorum children, Max Reitz, 2019/11/11
- [PATCH for-5.0 v2 05/23] quorum: Fix child permissions, Max Reitz, 2019/11/11
- [PATCH for-5.0 v2 06/23] block: Add bdrv_recurse_can_replace(), Max Reitz, 2019/11/11
- [PATCH for-5.0 v2 07/23] blkverify: Implement .bdrv_recurse_can_replace(),
Max Reitz <=
- [PATCH for-5.0 v2 08/23] quorum: Store children in own structure, Max Reitz, 2019/11/11
- [PATCH for-5.0 v2 09/23] quorum: Add QuorumChild.to_be_replaced, Max Reitz, 2019/11/11
- [PATCH for-5.0 v2 10/23] quorum: Implement .bdrv_recurse_can_replace(), Max Reitz, 2019/11/11
- [PATCH for-5.0 v2 11/23] block: Use bdrv_recurse_can_replace(), Max Reitz, 2019/11/11