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| author | Eric Blake | 2020-07-06 22:39:53 +0200 |
|---|---|---|
| committer | Kevin Wolf | 2020-07-14 15:18:59 +0200 |
| commit | e54ee1b385a9d084b4052b6db7391ea2fd799fa8 (patch) | |
| tree | d6e366c994426adc6f217faac79b22c3dde30507 /include/block | |
| parent | iotests: Specify explicit backing format where sensible (diff) | |
| download | qemu-e54ee1b385a9d084b4052b6db7391ea2fd799fa8.tar.gz qemu-e54ee1b385a9d084b4052b6db7391ea2fd799fa8.tar.xz qemu-e54ee1b385a9d084b4052b6db7391ea2fd799fa8.zip | |
block: Add support to warn on backing file change without format
For now, this is a mechanical addition; all callers pass false. But
the next patch will use it to improve 'qemu-img rebase -u' when
selecting a backing file with no format.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Message-Id: <20200706203954.341758-10-eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/block.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/block/block.h b/include/block/block.h index bca3bb831c..6e36154061 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -405,8 +405,8 @@ void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr); void bdrv_refresh_limits(BlockDriverState *bs, Error **errp); int bdrv_commit(BlockDriverState *bs); int bdrv_make_empty(BdrvChild *c, Error **errp); -int bdrv_change_backing_file(BlockDriverState *bs, - const char *backing_file, const char *backing_fmt); +int bdrv_change_backing_file(BlockDriverState *bs, const char *backing_file, + const char *backing_fmt, bool warn); void bdrv_register(BlockDriver *bdrv); int bdrv_drop_intermediate(BlockDriverState *top, BlockDriverState *base, const char *backing_file_str); |