From: Christoph Hellwig <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
Keith Busch <keith.busch@intel.com>,
Sagi Grimberg <sagi@grimberg.me>,
Johannes Thumshirn <jthumshirn@suse.de>,
linux-nvme@lists.infradead.org, linux-block@vger.kernel.org
Subject: Re: [PATCH 06/17] block: introduce GENHD_FL_HIDDEN
Date: Sat, 28 Oct 2017 08:15:23 +0200 [thread overview]
Message-ID: <20171028061523.GB13723@lst.de> (raw)
In-Reply-To: <09f8a87b-f8da-9f5a-6efd-f5e9acfaee45@suse.de>
On Tue, Oct 24, 2017 at 09:18:47AM +0200, Hannes Reinecke wrote:
> Can we have some information in sysfs to figure out if a gendisk is
> hidden? I'd hate having to do an inverse lookup in /proc/partitions;
> it's always hard to prove that something is _not_ present.
> And we already present various information (like disk_removable_show()),
> so it's not without precedent.
> And it would make integration with systemd/udev easier.
Sure, I'll add a hidden flag sysfs file.
WARNING: multiple messages have this Message-ID (diff)
From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 06/17] block: introduce GENHD_FL_HIDDEN
Date: Sat, 28 Oct 2017 08:15:23 +0200 [thread overview]
Message-ID: <20171028061523.GB13723@lst.de> (raw)
In-Reply-To: <09f8a87b-f8da-9f5a-6efd-f5e9acfaee45@suse.de>
On Tue, Oct 24, 2017@09:18:47AM +0200, Hannes Reinecke wrote:
> Can we have some information in sysfs to figure out if a gendisk is
> hidden? I'd hate having to do an inverse lookup in /proc/partitions;
> it's always hard to prove that something is _not_ present.
> And we already present various information (like disk_removable_show()),
> so it's not without precedent.
> And it would make integration with systemd/udev easier.
Sure, I'll add a hidden flag sysfs file.
next prev parent reply other threads:[~2017-10-28 6:15 UTC|newest]
Thread overview: 116+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-23 14:51 nvme multipath support V5 Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-23 14:51 ` [PATCH 01/17] block: move REQ_NOWAIT Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-23 14:51 ` [PATCH 02/17] block: add REQ_DRV bit Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-23 14:51 ` [PATCH 03/17] block: provide a direct_make_request helper Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:05 ` Hannes Reinecke
2017-10-24 7:05 ` Hannes Reinecke
2017-10-24 17:57 ` Javier González
2017-10-24 17:57 ` Javier González
2017-10-23 14:51 ` [PATCH 04/17] block: add a blk_steal_bios helper Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:07 ` Hannes Reinecke
2017-10-24 7:07 ` Hannes Reinecke
2017-10-24 8:44 ` Max Gurtovoy
2017-10-24 8:44 ` Max Gurtovoy
2017-10-28 6:13 ` Christoph Hellwig
2017-10-28 6:13 ` Christoph Hellwig
2017-10-23 14:51 ` [PATCH 05/17] block: don't look at the struct device dev_t in disk_devt Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:08 ` Hannes Reinecke
2017-10-24 7:08 ` Hannes Reinecke
2017-10-23 14:51 ` [PATCH 06/17] block: introduce GENHD_FL_HIDDEN Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:18 ` Hannes Reinecke
2017-10-24 7:18 ` Hannes Reinecke
2017-10-28 6:15 ` Christoph Hellwig [this message]
2017-10-28 6:15 ` Christoph Hellwig
2017-10-24 21:40 ` Mike Snitzer
2017-10-24 21:40 ` Mike Snitzer
2017-10-28 6:38 ` Christoph Hellwig
2017-10-28 6:38 ` Christoph Hellwig
2017-10-28 7:20 ` Guan Junxiong
2017-10-28 7:20 ` Guan Junxiong
2017-10-28 7:42 ` Christoph Hellwig
2017-10-28 7:42 ` Christoph Hellwig
2017-10-28 10:09 ` Guan Junxiong
2017-10-28 10:09 ` Guan Junxiong
2017-10-29 8:00 ` Anish Jhaveri
2017-10-29 8:00 ` Anish Jhaveri
2017-10-29 8:57 ` Christoph Hellwig
2017-10-29 8:57 ` Christoph Hellwig
2017-10-28 14:17 ` Mike Snitzer
2017-10-28 14:17 ` Mike Snitzer
2017-10-29 10:01 ` Hannes Reinecke
2017-10-29 10:01 ` Hannes Reinecke
2017-10-30 4:09 ` Guan Junxiong
2017-10-30 4:09 ` Guan Junxiong
2017-10-23 14:51 ` [PATCH 07/17] block: add a poll_fn callback to struct request_queue Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:20 ` Hannes Reinecke
2017-10-24 7:20 ` Hannes Reinecke
2017-10-23 14:51 ` [PATCH 08/17] nvme: use kref_get_unless_zero in nvme_find_get_ns Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:21 ` Hannes Reinecke
2017-10-24 7:21 ` Hannes Reinecke
2017-10-23 14:51 ` [PATCH 09/17] nvme: simplify nvme_open Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:21 ` Hannes Reinecke
2017-10-24 7:21 ` Hannes Reinecke
2017-10-23 14:51 ` [PATCH 10/17] nvme: switch controller refcounting to use struct device Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:23 ` Hannes Reinecke
2017-10-24 7:23 ` Hannes Reinecke
2017-10-23 14:51 ` [PATCH 11/17] nvme: get rid of nvme_ctrl_list Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:24 ` Hannes Reinecke
2017-10-24 7:24 ` Hannes Reinecke
2017-10-23 14:51 ` [PATCH 12/17] nvme: check for a live controller in nvme_dev_open Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:25 ` Hannes Reinecke
2017-10-24 7:25 ` Hannes Reinecke
2017-10-23 14:51 ` [PATCH 13/17] nvme: track subsystems Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:33 ` Hannes Reinecke
2017-10-24 7:33 ` Hannes Reinecke
2017-10-23 14:51 ` [PATCH 14/17] nvme: introduce a nvme_ns_ids structure Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:27 ` Hannes Reinecke
2017-10-24 7:27 ` Hannes Reinecke
2017-10-23 14:51 ` [PATCH 15/17] nvme: track shared namespaces Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:34 ` Hannes Reinecke
2017-10-24 7:34 ` Hannes Reinecke
2017-10-23 14:51 ` [PATCH 16/17] nvme: implement multipath access to nvme subsystems Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-23 15:32 ` Sagi Grimberg
2017-10-23 15:32 ` Sagi Grimberg
2017-10-23 16:57 ` Christoph Hellwig
2017-10-23 16:57 ` Christoph Hellwig
2017-10-23 17:43 ` Sagi Grimberg
2017-10-23 17:43 ` Sagi Grimberg
2017-10-24 7:43 ` Hannes Reinecke
2017-10-24 7:43 ` Hannes Reinecke
2017-10-28 6:32 ` Christoph Hellwig
2017-10-28 6:32 ` Christoph Hellwig
2017-10-30 3:37 ` Guan Junxiong
2017-10-30 3:37 ` Guan Junxiong
2017-11-02 18:22 ` Christoph Hellwig
2017-11-02 18:22 ` Christoph Hellwig
2017-10-23 14:51 ` [PATCH 17/17] nvme: also expose the namespace identification sysfs files for mpath nodes Christoph Hellwig
2017-10-23 14:51 ` Christoph Hellwig
2017-10-24 7:45 ` Hannes Reinecke
2017-10-24 7:45 ` Hannes Reinecke
2017-10-28 6:20 ` Christoph Hellwig
2017-10-28 6:20 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2017-10-18 16:52 nvme multipath support V4 Christoph Hellwig
2017-10-18 16:52 ` [PATCH 06/17] block: introduce GENHD_FL_HIDDEN Christoph Hellwig
2017-10-18 16:52 ` Christoph Hellwig
2017-10-19 8:31 ` Johannes Thumshirn
2017-10-19 8:31 ` Johannes Thumshirn
2017-10-19 12:45 ` Hannes Reinecke
2017-10-19 12:45 ` Hannes Reinecke
2017-10-19 13:15 ` Christoph Hellwig
2017-10-19 13:15 ` Christoph Hellwig
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