[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v8 03/43] block: bdrv_cow_child() for bdrv_has_zero_init()
From: |
Max Reitz |
Subject: |
[PATCH v8 03/43] block: bdrv_cow_child() for bdrv_has_zero_init() |
Date: |
Tue, 1 Sep 2020 16:33:44 +0200 |
bdrv_has_zero_init() should use bdrv_cow_child() if it wants to check
whether the given BDS has a COW backing file.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
---
block.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block.c b/block.c
index b162142609..656baa521e 100644
--- a/block.c
+++ b/block.c
@@ -5415,7 +5415,7 @@ int bdrv_has_zero_init(BlockDriverState *bs)
/* If BS is a copy on write image, it is initialized to
the contents of the base image, which may not be zeroes. */
- if (bs->backing) {
+ if (bdrv_cow_child(bs)) {
return 0;
}
if (bs->drv->bdrv_has_zero_init) {
--
2.26.2
- [PATCH v8 00/43] block: Deal with filters, Max Reitz, 2020/09/01
- [PATCH v8 01/43] block: Add child access functions, Max Reitz, 2020/09/01
- [PATCH v8 02/43] block: Add chain helper functions, Max Reitz, 2020/09/01
- [PATCH v8 03/43] block: bdrv_cow_child() for bdrv_has_zero_init(),
Max Reitz <=
- [PATCH v8 04/43] block: bdrv_set_backing_hd() is about bs->backing, Max Reitz, 2020/09/01
- [PATCH v8 05/43] block: Include filters when freezing backing chain, Max Reitz, 2020/09/01
- [PATCH v8 06/43] block: Drop bdrv_is_encrypted(), Max Reitz, 2020/09/01
- [PATCH v8 07/43] block: Add bdrv_supports_compressed_writes(), Max Reitz, 2020/09/01
- [PATCH v8 08/43] throttle: Support compressed writes, Max Reitz, 2020/09/01
- [PATCH v8 09/43] copy-on-read: Support compressed writes, Max Reitz, 2020/09/01
- [PATCH v8 10/43] block: Use bdrv_filter_(bs|child) where obvious, Max Reitz, 2020/09/01
- [PATCH v8 11/43] block: Use CAFs in block status functions, Max Reitz, 2020/09/01
- [PATCH v8 13/43] block: Use CAFs when working with backing chains, Max Reitz, 2020/09/01
- [PATCH v8 12/43] stream: Deal with filters, Max Reitz, 2020/09/01