3 btrfsck \- check a btrfs filesystem
5 .B btrfsck \fI device\fP
7 \fBbtrfsck\fP is used to check a btrfs filesystem.
8 \fIdevice\fP is the device file where the filesystem is stored.
11 is part of btrfs-progs. Btrfs is currently under heavy development,
12 and not suitable for any uses other than benchmarking and review.
13 Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for