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27 changes: 26 additions & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -32,10 +32,35 @@ The fields are:
* Referenced: apparent size of files (minus holes)

The ioctl used requires root.
# Installation distributions repositories:
The recommended way to install compsize is via distributions repositories official repositories

# Installation:
## Debian/Ubuntu example:
````bash
sudo apt install btrfs-compsize
````
To run:
````bash
sudo compsize .
````

# Installation from source:

Besides regular C toolchain, you need btrfs userspace headers. On Debian
(incl. derivatives like Ubuntu) they're in libbtrfs-dev, SuSE ships them
inside libbtrfs-devel, they used to come with btrfs-progs before.
Required kernel: 3.16, btrfs-progs: 3.18 (untested!).

## Debian/Ubuntu example:


````bash
git clone [email protected]:kilobyte/compsize.git
sudo apt install libbtrfs-dev
cd compsize
make
````
To run:
````bash
sudo ./compsize .
````