.TH probe-bcache 8 .SH NAME probe-bcache \- probe a bcache device .SH SYNOPSIS .B probe-bcache [\fB \-o\ \fIudev\fR ] .I device .SH OPTIONS .TP .BR \-o return UUID in udev style for invocation by udev rule as IMPORT{program} .SH USAGE Return UUID if device identified as bcache-formatted. Only necessary until support for the bcache superblock is included in blkid; in the meantime, provides just enough functionality for a udev script to create the /dev/disk/by-uuid symlink.