Messages in this thread | | | Date | Wed, 23 Aug 2006 14:03:55 +0200 | From | Jens Axboe <> | Subject | Re: [patch 4/5] fail-injection capability for disk IO |
| |
On Wed, Aug 23 2006, Akinobu Mita wrote: > This patch provides fail-injection capability for disk IO. > > Boot option: > > fail_make_request=<probability>,<interval>,<times>,<space> > > <probability> > > specifies how often it should fail in percent. > > <interval> > > specifies the interval of failures. > > <times> > > specifies how many times failures may happen at most. > > <space> > > specifies the size of free space where disk IO can be issued > safely in bytes. > > Example: > > fail_make_request=100,10,-1,0 > > generic_make_request() fails once per 10 times.
Hmm dunno, seems a pretty useless feature to me. Wouldn't it make a lot more sense to do this per-queue instead of a global entity?
-- Jens Axboe
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |