Greetings to all, I'm attempting to use the bidi variant of bsg to talk to an OSD target device. I've run into an undesirable situation. My application has a free-running receive loop (doing a read() on the bsg device) waiting for responses to commands sent to bsg by another thread. The problem is that the receive thread is getting ENODATA from the read() when there are no commands pending. I have NOT set non-blocking. Note that the old sg driver was quite willing to block until there was a response available. I find this scenario greatly preferable. Could bsg be fixed so that read() blocks when there is nothing to return? Dan Messinger Seagate Technology Research - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html