diff options
author | John Snow <jsnow@redhat.com> | 2019-07-29 16:35:55 -0400 |
---|---|---|
committer | John Snow <jsnow@redhat.com> | 2019-08-16 16:28:03 -0400 |
commit | a6c9365ad4ba26b274bb4b7491f99b05bb765d76 (patch) | |
tree | 9124d66ca5d11621acd7edcb5dc9a1bdee5121e1 | |
parent | 0af2a09c6baac5c9ee93b6e78dcc6bb029361620 (diff) |
block/backup: hoist bitmap check into QMP interface
This is nicer to do in the unified QMP interface that we have now,
because it lets us use the right terminology back at the user.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190716000117.25219-5-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
-rw-r--r-- | block/backup.c | 13 | ||||
-rw-r--r-- | blockdev.c | 10 |
2 files changed, 14 insertions, 9 deletions
diff --git a/block/backup.c b/block/backup.c index f8309be01b..f704c83a98 100644 --- a/block/backup.c +++ b/block/backup.c @@ -576,6 +576,10 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs, assert(bs); assert(target); + /* QMP interface protects us from these cases */ + assert(sync_mode != MIRROR_SYNC_MODE_INCREMENTAL); + assert(sync_bitmap || sync_mode != MIRROR_SYNC_MODE_BITMAP); + if (bs == target) { error_setg(errp, "Source and target cannot be the same"); return NULL; @@ -607,16 +611,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs, return NULL; } - /* QMP interface should have handled translating this to bitmap mode */ - assert(sync_mode != MIRROR_SYNC_MODE_INCREMENTAL); - if (sync_mode == MIRROR_SYNC_MODE_BITMAP) { - if (!sync_bitmap) { - error_setg(errp, "must provide a valid bitmap name for " - "'%s' sync mode", MirrorSyncMode_str(sync_mode)); - return NULL; - } - /* If we need to write to this bitmap, check that we can: */ if (bitmap_mode != BITMAP_SYNC_MODE_NEVER && bdrv_dirty_bitmap_check(sync_bitmap, BDRV_BITMAP_DEFAULT, errp)) { diff --git a/blockdev.c b/blockdev.c index 210226d829..f889da0b42 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3529,6 +3529,16 @@ static BlockJob *do_backup_common(BackupCommon *backup, return NULL; } + if ((backup->sync == MIRROR_SYNC_MODE_BITMAP) || + (backup->sync == MIRROR_SYNC_MODE_INCREMENTAL)) { + /* done before desugaring 'incremental' to print the right message */ + if (!backup->has_bitmap) { + error_setg(errp, "must provide a valid bitmap name for " + "'%s' sync mode", MirrorSyncMode_str(backup->sync)); + return NULL; + } + } + if (backup->sync == MIRROR_SYNC_MODE_INCREMENTAL) { if (backup->has_bitmap_mode && backup->bitmap_mode != BITMAP_SYNC_MODE_ON_SUCCESS) { |