On Wed, Jan 23, 2013 at 01:51:56PM +1300, Andrew Thrift wrote: > Hi, > > I am attempting to get bcache devices to register by echoing all > /dev/sd* and /dev/dm-* to the bcache registration in /sys but get > the following: > > echo /dev/dm-* > /sys/fs/bcache/register > bash: echo: write error: Invalid argument > > echo /dev/sd* > /sys/fs/bcache/register > bash: echo: write error: Invalid argument > > > I am using a 3.7 kernel pulled from 4747cd9 revision. > > Is this a bug, or am I just "doing it wrong" ? You've got to echo them one at a time, like so: for i in `ls /dev/sd*`; do echo $i > /sys/fs/bcache/register_quiet done (initramfs/script in bcache-tools does this) -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html