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Btrfs: don't panic if we get an error while balancing V2 

A user reported an error where if we try to balance an fs after a device has
been removed it will blow up.  This is because we get an EIO back and this is
where BUG_ON(ret) bites us in the ass.  To fix we just exit.  Thanks,

Reported-by: Anand Jain <Anand.Jain@oracle.com>
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Josef Bacik 2011-07-02 21:24:41 +00:00 committed by Chris Mason
parent 0942caa373
commit 508794eb5e
1 changed files with 2 additions and 1 deletions
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3
fs/btrfs/volumes.c
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@ -2098,7 +2098,8 @@ int btrfs_balance(struct btrfs_root *dev_root)
chunk_root->root_key.objectid,
found_key.objectid,
found_key.offset);
BUG_ON(ret && ret != -ENOSPC);
if (ret && ret != -ENOSPC)
goto error;
key.offset = found_key.offset - 1;
}
ret = 0;