bcache: more detailed error message to bcache_device_link()

This patch adds more accurate error message for specific
ssyfs_create_link() call, to help debugging failure during
bcache device start tup.

Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 file changed