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Count hard links when sizing virtual disks

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cptofs does not preserve hard links, so each hard link needs to be
accounted for separately when sizing virtual disks
This commit is contained in:
Graham Dennis
2024-07-25 12:35:37 +10:00
parent 0bb31825c5
commit 17555cad79
1 changed files with 1 additions and 1 deletions
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nixos/lib/make-disk-image.nix
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@@ -470,7 +470,7 @@ let format' = format; in let
additionalSpace=$(( $(numfmt --from=iec '${additionalSpace}') + reservedSpace ))
# Compute required space in filesystem blocks
diskUsage=$(find . ! -type d -print0 | du --files0-from=- --apparent-size --block-size "${blockSize}" | cut -f1 | sum_lines)
diskUsage=$(find . ! -type d -print0 | du --files0-from=- --apparent-size --count-links --block-size "${blockSize}" | cut -f1 | sum_lines)
# Each inode takes space!
numInodes=$(find . | wc -l)
# Convert to bytes, inodes take two blocks each!