Hi, I'm intereted in XFS filesystem.. i have a question

[안재형]

Hello,
 
at first, I apologize my broken english.
 
I'm interested in your filesystem XFS.
 
and I installed and used XFSprogs.
 
I want to see free space blocks or none-allocation blocks. I can't find program in XFSprogs package. 
 
How find the free space of none-allocation blocks in XFS filesystem?
 
thank read my mail.
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