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author | Eric Blake <eblake@redhat.com> | 2020-07-06 15:39:53 -0500 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2020-07-14 15:18:59 +0200 |
commit | e54ee1b385a9d084b4052b6db7391ea2fd799fa8 (patch) | |
tree | d6e366c994426adc6f217faac79b22c3dde30507 /block/qcow2.c | |
parent | b66ff2c29817f5efa18f5120fd6f089fbf59a933 (diff) | |
download | qemu-e54ee1b385a9d084b4052b6db7391ea2fd799fa8.zip qemu-e54ee1b385a9d084b4052b6db7391ea2fd799fa8.tar.gz qemu-e54ee1b385a9d084b4052b6db7391ea2fd799fa8.tar.bz2 |
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 'block/qcow2.c')
-rw-r--r-- | block/qcow2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index f3fc270..fadf342 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -3627,7 +3627,7 @@ qcow2_co_create(BlockdevCreateOptions *create_options, Error **errp) } ret = bdrv_change_backing_file(blk_bs(blk), qcow2_opts->backing_file, - backing_format); + backing_format, false); if (ret < 0) { error_setg_errno(errp, -ret, "Could not assign backing file '%s' " "with format '%s'", qcow2_opts->backing_file, |