Re: [PATCH 1/3] sd: don't bother spinning up disks on resume

2013-11-16 Thread James Bottomley
On Sat, 2013-11-16 at 22:50 -0500, Phillip Susi wrote: > On 11/16/2013 01:20 PM, James Bottomley wrote: > > No disk does, neither SCSI nor ATA. The error handler is not > > automatically activated for a not ready/initializing command > > required because of multi-path. We override the default be

Re: [PATCH 1/3] sd: don't bother spinning up disks on resume

2013-11-16 Thread Phillip Susi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 11/16/2013 01:20 PM, James Bottomley wrote: > No disk does, neither SCSI nor ATA. The error handler is not > automatically activated for a not ready/initializing command > required because of multi-path. We override the default behaviour > via

Re: [PATCH 11/11] pm80xx : gpio feature support for motherboard controllers

2013-11-16 Thread James Bottomley
On Mon, 2013-11-11 at 09:58 +0100, Jack Wang wrote: > Hi James, > > About this gpio feature, do you think it's OK to implement with IOCTL Definitely not via another strange ioctl > or we can use exist bsg interface in libsas and add another function call? My default thought is that it should go

Re: [PATCH 1/3] sd: don't bother spinning up disks on resume

2013-11-16 Thread James Bottomley
On Thu, 2013-11-07 at 16:16 -0500, Phillip Susi wrote: > On 11/7/2013 1:21 PM, Douglas Gilbert wrote: > > On 13-11-06 08:57 PM, Phillip Susi wrote: > >> Don't bother forcing disks to spin up on resume, as they will do > >> so automatically when accessed, and forcing them to spin up slows > >> down

Re: [PATCH 1/3] sd: don't bother spinning up disks on resume

2013-11-16 Thread Phillip Susi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 11/16/2013 12:23 AM, Mark Lord wrote: > Ditto for many SATA disks with "power up in standby" enabled. Ditto for my previous response; the kernel ( in this case the libata layer ) notices this and takes care of starting it. The third patch I post

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