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| author | Fam Zheng <famz@redhat.com> | 2016-05-23 10:19:35 +0800 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2016-06-07 14:40:50 +0100 |
| commit | 0d97891312d24891868e341674541f4147c7faf4 (patch) | |
| tree | 1e033889f4e2af5c128e749046a74430bbf877de /blockdev.c | |
| parent | 271b385e7ec2f1ca23c5345599cd58d9651427e5 (diff) | |
| download | qemu-0d97891312d24891868e341674541f4147c7faf4.tar.gz | |
blockdev-backup: Use bdrv_lookup_bs on target
This allows backing up to a BDS that has not been attached to any BB.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1463969978-24970-2-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/blockdev.c b/blockdev.c index 717785eb8d..ea7f3974e2 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3335,7 +3335,7 @@ void do_blockdev_backup(const char *device, const char *target, BlockdevOnError on_target_error, BlockJobTxn *txn, Error **errp) { - BlockBackend *blk, *target_blk; + BlockBackend *blk; BlockDriverState *bs; BlockDriverState *target_bs; Error *local_err = NULL; @@ -3366,17 +3366,10 @@ void do_blockdev_backup(const char *device, const char *target, } bs = blk_bs(blk); - target_blk = blk_by_name(target); - if (!target_blk) { - error_setg(errp, "Device '%s' not found", target); - goto out; - } - - if (!blk_is_available(target_blk)) { - error_setg(errp, "Device '%s' has no medium", target); + target_bs = bdrv_lookup_bs(target, target, errp); + if (!target_bs) { goto out; } - target_bs = blk_bs(target_blk); bdrv_set_aio_context(target_bs, aio_context); backup_start(bs, target_bs, speed, sync, NULL, on_source_error, |