On 03/10/2014 11:50 PM, Josef Bacik wrote:
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On 03/10/2014 08:12 AM, Shilong Wang wrote:
Hi Josef,
As i haven't thought any better ideas to rebuild extent tree which
contains extent that owns 'FULL BACKREF' flag.
Considering an extent's refs can be equal or more than 1 if this
extent has *FULL BACKREF* flag, so we could not make sure an
extent's flag by only searching fs/file tree any more.
So until now, i just disable this option if snapshots exists,
please correct me if i miss something here. Or you have any better
ideas to solve this problem.~_~
I thought the fsck stuff rebuilds full backref refs properly, does it
not? If it doesn't we need to fix that, however I'm fine with
disabling the option if snapshots exist for the time being. Thanks,
If there are no snapshots, --init-extent-tree can works as expected.
I just have not thought a better idea to rebuild extent tree if we do have
snapshots which means we may have an extent with *FULL BACKREF*
flag.
Thanks,
Wang
Josef
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