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Message-ID: <20110815144022.GR27723@beardog.cce.hp.com> Date: Mon, 15 Aug 2011 09:40:22 -0500 From: scameron@...rdog.cce.hp.com To: Greg KH <greg@...ah.com> Cc: james.bottomley@...senpartnership.com, linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org, stephenmcameron@...il.com, thenzl@...hat.com, akpm@...ux-foundation.org, mikem@...rdog.cce.hp.com, scameron@...rdog.cce.hp.com Subject: Re: [PATCH] hpsa: add heartbeat sysfs host attribute On Fri, Aug 12, 2011 at 07:01:47PM -0700, Greg KH wrote: > On Fri, Aug 12, 2011 at 01:03:14PM -0500, Stephen M. Cameron wrote: > > From: Stephen M. Cameron <scameron@...rdog.cce.hp.com> > > > > The cciss driver had a CCISS_HEARTBEAT ioctl which [...] > > > > + The "heartbeat" read-only attribute returns the value of a heartbeat > > + counter register on a Smart Array controller as a 32 bit unsigned > > + hexadecimal integer (e.g: "0x12345678"). The value should change > > + periodically, not less than once per second. If this value fails to > > + change for a period longer than one second, it means something has > > + gone wrong (e.g. Smart Array controller firmware has locked up.) > > + > > This all belongs in Documentation/ABI/ care to move it there instead? Sure. -- steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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