On 03/08/2015 11:38 AM, Laurence Oberman wrote: > Here is revision2 > > I added unlikely and removed messaging control as it not necessary and adds overhead. > > I use target LIO for all my storage array test targets and customer problem resolution here at Red Hat. > This patch resulted from a requirement to mimic behaviour of an expensive hardware jammer for a customer. > I have used this for some time with good success to simulate and reproduce latency and slow drain fabric issues and > for testing and validating error handling behaviour in the Emulex, Qlogic and other F/C drivers. > > Works by checking new parameter jam_host if its >= 0 and matches vha->host_no , jamming is enabled when jam_host >=0 > If parameter set to -1 (default) no jamming is enabled. > I decided to share the patch, in the hope it may be useful for others but I do understand this is a special use case. Hello Laurence, Thanks for reworking this patch quickly. This patch looks fine to me. The only remaining concern I have is that I'm wondering what the best place would be to add this functionality - the qla2xxx driver or the LIO core ? 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
