From: Johannes Thumshirn <jthumshirn@suse.de>
To: NeilBrown <neilb@suse.com>
Cc: Jens Axboe <axboe@fb.com>,
Maxim Levitsky <maximlevitsky@gmail.com>,
linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org,
linux-nvme@lists.infradead.org,
Keith Busch <keith.busch@intel.com>
Subject: Re: [PATCH 2/4] nvdimm/btt: don't allocate unused major device number
Date: Thu, 10 Mar 2016 10:05:13 +0100 [thread overview]
Message-ID: <20160310090513.GO3464@c203.arch.suse.de> (raw)
In-Reply-To: <20160309215928.20904.21111.stgit@noble>
On Thu, Mar 10, 2016 at 08:59:28AM +1100, NeilBrown wrote:
> alloc_disk(0) does not require or use a ->major number,
> all devices are allocated with a major of BLOCK_EXT_MAJOR.
>
> So don't allocate btt_major.
>
> Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
--
Johannes Thumshirn Storage
jthumshirn@suse.de +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
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WARNING: multiple messages have this Message-ID (diff)
From: Johannes Thumshirn <jthumshirn@suse.de>
To: NeilBrown <neilb@suse.com>
Cc: Keith Busch <keith.busch@intel.com>,
Maxim Levitsky <maximlevitsky@gmail.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Jens Axboe <axboe@fb.com>,
Dan Williams <dan.j.williams@intel.com>,
Ross Zwisler <ross.zwisler@linux.intel.com>,
linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
linux-nvdimm@ml01.01.org
Subject: Re: [PATCH 2/4] nvdimm/btt: don't allocate unused major device number
Date: Thu, 10 Mar 2016 10:05:13 +0100 [thread overview]
Message-ID: <20160310090513.GO3464@c203.arch.suse.de> (raw)
In-Reply-To: <20160309215928.20904.21111.stgit@noble>
On Thu, Mar 10, 2016 at 08:59:28AM +1100, NeilBrown wrote:
> alloc_disk(0) does not require or use a ->major number,
> all devices are allocated with a major of BLOCK_EXT_MAJOR.
>
> So don't allocate btt_major.
>
> Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
--
Johannes Thumshirn Storage
jthumshirn@suse.de +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
WARNING: multiple messages have this Message-ID (diff)
From: jthumshirn@suse.de (Johannes Thumshirn)
Subject: [PATCH 2/4] nvdimm/btt: don't allocate unused major device number
Date: Thu, 10 Mar 2016 10:05:13 +0100 [thread overview]
Message-ID: <20160310090513.GO3464@c203.arch.suse.de> (raw)
In-Reply-To: <20160309215928.20904.21111.stgit@noble>
On Thu, Mar 10, 2016@08:59:28AM +1100, NeilBrown wrote:
> alloc_disk(0) does not require or use a ->major number,
> all devices are allocated with a major of BLOCK_EXT_MAJOR.
>
> So don't allocate btt_major.
>
> Signed-off-by: NeilBrown <neilb at suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>
--
Johannes Thumshirn Storage
jthumshirn at suse.de +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N?rnberg
GF: Felix Imend?rffer, Jane Smithard, Graham Norton
HRB 21284 (AG N?rnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
next prev parent reply other threads:[~2016-03-10 9:05 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-09 21:59 [PATCH 0/4] Remove un-needed 'major' registration when alloc_disk(0) is used NeilBrown
2016-03-09 21:59 ` NeilBrown
2016-03-09 21:59 ` NeilBrown
2016-03-09 21:59 ` [PATCH 2/4] nvdimm/btt: don't allocate unused major device number NeilBrown
2016-03-09 21:59 ` NeilBrown
2016-03-09 21:59 ` NeilBrown
2016-03-10 9:05 ` Johannes Thumshirn [this message]
2016-03-10 9:05 ` Johannes Thumshirn
2016-03-10 9:05 ` Johannes Thumshirn
2016-03-09 21:59 ` [PATCH 1/4] nvdimm/blk: " NeilBrown
2016-03-09 21:59 ` NeilBrown
2016-03-09 21:59 ` NeilBrown
2016-03-10 9:05 ` Johannes Thumshirn
2016-03-10 9:05 ` Johannes Thumshirn
2016-03-10 9:05 ` Johannes Thumshirn
2016-03-09 21:59 ` [PATCH 3/4] memstick: don't allocate unused major for ms_block NeilBrown
2016-03-09 21:59 ` NeilBrown
2016-03-09 21:59 ` NeilBrown
2016-03-10 9:06 ` Johannes Thumshirn
2016-03-10 9:06 ` Johannes Thumshirn
2016-03-10 9:06 ` Johannes Thumshirn
2016-03-09 21:59 ` [PATCH 4/4] NVMe: don't allocate unused nvme_major NeilBrown
2016-03-09 21:59 ` NeilBrown
2016-03-09 21:59 ` NeilBrown
2016-03-10 9:06 ` Johannes Thumshirn
2016-03-10 9:06 ` Johannes Thumshirn
2016-03-10 9:06 ` Johannes Thumshirn
2016-03-09 23:35 ` [PATCH 0/4] Remove un-needed 'major' registration when alloc_disk(0) is used Dan Williams
2016-03-09 23:35 ` Dan Williams
2016-03-09 23:35 ` Dan Williams
2016-03-14 22:50 ` Ross Zwisler
2016-03-14 22:50 ` Ross Zwisler
2016-03-14 22:50 ` Ross Zwisler
2016-03-15 22:15 ` NeilBrown
2016-03-15 22:15 ` NeilBrown
2016-03-15 22:15 ` NeilBrown
2016-03-16 0:20 ` Jens Axboe
2016-03-16 0:20 ` Jens Axboe
2016-03-16 0:20 ` Jens Axboe
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