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Zsolt Ero
2023-12-18 20:06:52 +01:00
parent 3079f3453c
commit 49f3a513cd
4 changed files with 27 additions and 19 deletions
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6
scripts/shrink_btrfs/shrink_btrfs.py
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@@ -8,7 +8,7 @@ from pathlib import Path
import click
# btrfs cannot shrink smaller than about 256 MiB
# btrfs cannot shrink smaller than 256 MiB
SMALLEST_SIZE = 256 * 1024 * 1024
@@ -49,11 +49,11 @@ def cli(btrfs_img: Path):
free_bytes = get_usage(mnt_dir, 'Device unallocated')
device_size = get_usage(mnt_dir, 'Device size')
shrink_idea = free_bytes * 0.9
shrink_idea = free_bytes * 0.7
# workaround for the SMALLEST_SIZE limit
if device_size - free_bytes < SMALLEST_SIZE:
shrink_idea = (device_size - SMALLEST_SIZE) * 0.9
shrink_idea = (device_size - SMALLEST_SIZE) * 0.7
# stop if 10 MB left
if shrink_idea < 10_000_000: