From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 10/17] nvme: switch controller refcounting to use struct device
Date: Thu, 19 Oct 2017 12:18:55 +0200 [thread overview]
Message-ID: <20171019101855.GA17326@lst.de> (raw)
In-Reply-To: <827bd4b9-4228-32e4-e8dd-17679f2dfeba@grimberg.me>
On Thu, Oct 19, 2017@01:02:59PM +0300, Sagi Grimberg wrote:
>> By the time we call ->delete_ctrl in nvmf_create_ctrl we must still
>> have that reference because we are still in a ->write call and thus
>> ->release can't have been called yet.
>
> Thanks for the clarification. Is it worth a preparatory patch to
> change that before the ctrl device integration for change log
> clarity?
Well, the ctrl device integration is what enables us to do this.
Before that the ctrl refcount could have reached null by the time
we call the delete_ctrl method.
next prev parent reply other threads:[~2017-10-19 10:18 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-18 16:52 nvme multipath support V4 Christoph Hellwig
2017-10-18 16:52 ` [PATCH 01/17] block: move REQ_NOWAIT Christoph Hellwig
2017-10-19 5:48 ` Hannes Reinecke
2017-10-19 6:46 ` Johannes Thumshirn
2017-10-18 16:52 ` [PATCH 02/17] block: add REQ_DRV bit Christoph Hellwig
2017-10-19 5:48 ` Hannes Reinecke
2017-10-19 6:47 ` Johannes Thumshirn
2017-10-18 16:52 ` [PATCH 03/17] block: provide a direct_make_request helper Christoph Hellwig
2017-10-19 10:35 ` Sagi Grimberg
2017-10-19 10:36 ` Sagi Grimberg
2017-10-19 13:54 ` Christoph Hellwig
2017-10-19 14:42 ` Sagi Grimberg
2017-10-18 16:52 ` [PATCH 04/17] block: add a blk_steal_bios helper Christoph Hellwig
2017-10-18 16:52 ` [PATCH 05/17] block: don't look at the struct device dev_t in disk_devt Christoph Hellwig
2017-10-19 8:32 ` Johannes Thumshirn
2017-10-18 16:52 ` [PATCH 06/17] block: introduce GENHD_FL_HIDDEN Christoph Hellwig
2017-10-19 8:31 ` Johannes Thumshirn
2017-10-19 12:45 ` Hannes Reinecke
2017-10-19 13:15 ` Christoph Hellwig
2017-10-18 16:52 ` [PATCH 07/17] nvme: use ida_simple_{get, remove} for the controller instance Christoph Hellwig
2017-10-19 6:53 ` Johannes Thumshirn
2017-10-19 6:58 ` [PATCH 07/17] nvme: use ida_simple_{get,remove} " Sagi Grimberg
2017-10-19 15:14 ` Keith Busch
2017-10-19 15:12 ` Christoph Hellwig
2017-10-18 16:52 ` [PATCH 08/17] nvme: use kref_get_unless_zero in nvme_find_get_ns Christoph Hellwig
2017-10-19 6:54 ` Johannes Thumshirn
2017-10-19 6:59 ` Sagi Grimberg
2017-10-18 16:52 ` [PATCH 09/17] nvme: simplify nvme_open Christoph Hellwig
2017-10-19 6:55 ` Johannes Thumshirn
2017-10-19 6:59 ` Sagi Grimberg
2017-10-18 16:52 ` [PATCH 10/17] nvme: switch controller refcounting to use struct device Christoph Hellwig
2017-10-19 7:17 ` Sagi Grimberg
2017-10-19 7:20 ` Christoph Hellwig
2017-10-19 7:31 ` Sagi Grimberg
2017-10-19 7:37 ` Christoph Hellwig
2017-10-19 10:02 ` Sagi Grimberg
2017-10-19 10:18 ` Christoph Hellwig [this message]
2017-10-19 10:33 ` Sagi Grimberg
2017-10-19 13:54 ` Christoph Hellwig
2017-10-18 16:52 ` [PATCH 11/17] nvme: get rid of nvme_ctrl_list Christoph Hellwig
2017-10-19 7:18 ` Sagi Grimberg
2017-10-19 7:22 ` Johannes Thumshirn
2017-10-19 7:24 ` Christoph Hellwig
2017-10-18 16:52 ` [PATCH 12/17] nvme: check for a live controller in nvme_dev_open Christoph Hellwig
2017-10-19 7:18 ` Sagi Grimberg
2017-10-19 7:23 ` Johannes Thumshirn
2017-10-18 16:52 ` [PATCH 13/17] nvme: track subsystems Christoph Hellwig
2017-10-18 22:39 ` Keith Busch
2017-10-18 22:53 ` Keith Busch
2017-10-19 7:14 ` Christoph Hellwig
2017-10-18 16:52 ` [PATCH 14/17] nvme: introduce a nvme_ns_ids structure Christoph Hellwig
2017-10-18 16:52 ` [PATCH 15/17] nvme: track shared namespaces Christoph Hellwig
2017-10-19 7:36 ` Johannes Thumshirn
2017-10-19 11:06 ` Sagi Grimberg
2017-10-19 13:51 ` Christoph Hellwig
2017-10-20 19:03 ` Javier González
2017-10-18 16:52 ` [PATCH 16/17] nvme: implement multipath access to nvme subsystems Christoph Hellwig
2017-10-18 16:52 ` [PATCH 17/17] nvme: also expose the namespace identification sysfs files for mpath nodes Christoph Hellwig
2017-10-19 7:45 ` Johannes Thumshirn
2017-10-19 15:24 ` Sagi Grimberg
2017-10-23 2:08 ` nvme multipath support V4 Guan Junxiong
2017-10-23 6:33 ` Sagi Grimberg
-- strict thread matches above, loose matches on Subject: below --
2017-10-23 14:51 nvme multipath support V5 Christoph Hellwig
2017-10-23 14:51 ` [PATCH 10/17] nvme: switch controller refcounting to use struct device Christoph Hellwig
2017-10-24 7:23 ` Hannes Reinecke
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