From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Reducing the verbosity of inserting a USB storage device Date: Sun, 20 Sep 2009 16:53:49 -0600 Message-ID: <20090920225348.GB3690@parisc-linux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-scsi@vger.kernel.org The current kernel is very verbose when you insert a new USB storage device: usb 1-2: new high speed USB device using ehci_hcd and address 9 usb 1-2: configuration #1 chosen from 1 choice scsi4 : SCSI emulation for USB Mass Storage devices usb-storage: device found at 9 usb-storage: waiting for device to settle before scanning usb-storage: device scan complete scsi 4:0:0:0: Direct-Access GENERIC USB DISK DEVICE 0100 PQ: 0 ANSI: 0 CCS sd 4:0:0:0: Attached scsi generic sg2 type 0 sd 4:0:0:0: [sdc] 15728128 512-byte hardware sectors: (8.05 GB/7.49 GiB) sd 4:0:0:0: [sdc] Write Protect is off sd 4:0:0:0: [sdc] Mode Sense: 00 12 00 00 sd 4:0:0:0: [sdc] Assuming drive cache: write through sd 4:0:0:0: [sdc] Assuming drive cache: write through sdc: sd 4:0:0:0: [sdc] Attached SCSI removable disk I think we can print a bit less information, and format it more densely. With the following three patches, my kernel prints: usb 1-4: new high speed USB device using ehci_hcd and address 5 usb 1-4: configuration #1 chosen from 1 choice scsi 6:0:0:0: Direct-Access Flash Disk 5.00 PQ: 0 ANSI: 2 sd 6:0:0:0: Attached scsi generic sg1 type 0 sd 6:0:0:0: [sdb] Assuming drive cache: write through sd 6:0:0:0: [sdb] 2009088 512-byte logical blocks: (1.02 GB/981 MiB) sd 6:0:0:0: [sdb] Removable disk, Write Protect is off sdb: unknown partition table which doesn't take up nearly as much of my syslog ;-) -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html