On Sat, Jan 15, 2011 at 10:05 PM, Jeff Garzik <jeff@xxxxxxxxxx> wrote: > On 01/15/2011 01:25 PM, Bart Van Assche wrote: >> On Fri, Jan 14, 2011 at 7:40 PM, James Bottomley >> <James.Bottomley@xxxxxxx> wrote: >>> >>> [ ... ] >>> Nicholas Bellinger (1): >>> target: Add LIO target core v4.0.0-rc6 >>> [ ... ] >> >> As anyone can see in the source file drivers/target/target_core_mib.c >> this patch adds a significant number of new files to procfs. I thought >> that this was considered unacceptable since a long time ? Has anything >> changed ? >> >> See also http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=drivers/target/target_core_mib.c. > > Nothing has changed WRT procfs, and you are correct. > > But it's in now. Submit a patch to fix this particular crapola! :) (trimmed CC-list and changed subject) Hello Jeff, As far as I can see the code in target_core_mib.c makes those counters available to user space necessary for implementing the so-called SCSI-MIB (RFC 4455). But that MIB does not only allow to monitor target devices - it also allows to monitor initiator devices. A question that not yet has been answered on this list is whether the Linux kernel should make it possible to implement the SCSI-MIB on Linux, and if so, for which types of devices - initiator devices only, target devices only, or both. Furthermore, since the code in target_core_mib.c exports all information read-only, that implementation does not allow to implement the read-write attributes defined in the SCSI-MIB nor to create new rows in tables via SNMP (several MIB objects in the SCSI-MIB have read-create access). That is a severe limitation and I'm not sure anyone who would like to use the SCSI-MIB will be able to live with that. For more information, see also http://www.ietf.org/rfc/rfc4455.txt. Bart. -- 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
