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Do not balance files with hardlinks #153

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Do not balance files with hardlinks #153

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a615aa4
Do not balance files with hardlinks
foux Dec 10, 2025
fd1737d
Add to the docs that files with hardlinks won't be moved
foux Dec 10, 2025
5566825
Fix typo in argparse description for mergerfs.balance
foux Dec 10, 2025
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9 changes: 8 additions & 1 deletion src/mergerfs.balance
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,11 @@ def exclude_by_size(filepath,exclude_lt,exclude_gt):
except:
return False

def exclude_by_nlink_count(filepath):
info = os.stat(filepath)
if info.st_nlink > 1:
return True
return False

def find_a_file(src,
relpath,
Expand All @@ -112,6 +117,8 @@ def find_a_file(src,
continue
if exclude_by_size(filepath,exclude_lt,exclude_gt):
continue
if exclude_by_nlink_count(filepath):
continue
return os.path.relpath(filepath,src)
return None

Expand Down Expand Up @@ -172,7 +179,7 @@ def human_to_bytes(s):


def buildargparser():
parser = argparse.ArgumentParser(description='balance files on a mergerfs mount based on percentage drive filled')
parser = argparse.ArgumentParser(description='balance files on a mergerfs mount based on percentage drive filled. files with hardlinks won't be moved')
parser.add_argument('dir',
type=str,
help='starting directory')
Expand Down