Mitch Harder wrote:
> To defragment your entire volume, you'll need a command like:
>
> # for file in $(find <PATH/TO/BTRFS/VOL/> -type f); do btrfs
> filesystem defragment ${file}; done
Suggest:
find /path/to/btrfs/vol -type f -exec btrfs filesystem defragment '{}' ';'
> If you just want to see your fragmentation you can use the 'filefrag'
> program from e2fsprogs:
>
> # for file in $(find <PATH/TO/BTRFS/VOL/> -type f); do filefrag
> ${file}; done | sort -n -k 2 | less
find /path/to/btrfs/vol -type f -exec filefrag '{}' ';'
If either command can take multiple filenames as parameters, then e.g.:
find /path/to/btrfs/vol -type f -execdir filefrag '+'
(significantly better because not a fork per file)
//Peter
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