Options (8)
Show filesystem usage (optionally run as root to show detailed information)
btrfs {{[f|filesystem]}} {{[u|usage]}} {{path/to/btrfs_mount}}Show filesystem usage (optionally run as root to show detailed information)
btrfs {{[f|filesystem]}} {{[u|usage]}} {{path/to/btrfs_mount}}Show usage by individual devices
sudo btrfs {{[f|filesystem]}} {{[sh|show]}} {{path/to/btrfs_mount}}Defragment a single file on a btrfs filesystem (avoid while a deduplication agent is running)
sudo btrfs {{[f|filesystem]}} {{[de|defragment]}} {{[-v|--verbose]}} {{path/to/file}}-v, --verbosebooleanDefragment a single file on a btrfs filesystem (avoid while a deduplication agent is running)
sudo btrfs {{[f|filesystem]}} {{[de|defragment]}} {{[-v|--verbose]}} {{path/to/file}}Force syncing unwritten data blocks to disk(s)
sudo btrfs {{[f|filesystem]}} {{[sy|sync]}} {{path/to/btrfs_mount}}-s, --summarizebooleanSummarize disk usage for the files in a directory recursively
sudo btrfs {{[f|filesystem]}} du {{[-s|--summarize]}} {{path/to/directory}}Create a swap file
sudo btrfs {{[f|filesystem]}} {{[m|mkswapfile]}} --size {{8g}} --uuid {{clear|random|time|UUID_value}} {{path/to/swapfile}}Examples (7)
Show filesystem usage (optionally run as root to show detailed information)
btrfs [f|filesystem] [u|usage] path/to/btrfs_mountDefragment a single file on a btrfs filesystem (avoid while a deduplication agent is running)
Defragment a directory recursively (does not cross subvolume boundaries)
Force syncing unwritten data blocks to disk(s)
Summarize disk usage for the files in a directory recursively