From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Christoph Hellwig <hch@lst.de>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Balbir Singh <sblbir@amazon.com>,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
linux-nvme@lists.infradead.org, axboe@kernel.dk,
ssomesh@amazon.com, jejb@linux.ibm.com, mst@redhat.com,
Chaitanya.Kulkarni@wdc.com
Subject: Re: [resend v1 5/5] drivers/scsi/sd.c: Convert to use disk_set_capacity
Date: Wed, 08 Jan 2020 21:53:38 -0500 [thread overview]
Message-ID: <yq1muaxz6fh.fsf@oracle.com> (raw)
In-Reply-To: <20200108150612.GD10975@lst.de> (Christoph Hellwig's message of "Wed, 8 Jan 2020 16:06:12 +0100")
Christoph,
>> We already emit an SDEV_EVT_CAPACITY_CHANGE_REPORTED event if device
>> capacity changes. However, this event does not automatically cause
>> revalidation.
>
> Who is looking at these sdev specific events? (And who is looking
> at the virtio/xenblk ones?) It makes a lot of sense to have one event
> supported by all devices. But don't ask me which one would be the best..
Users typically have site-specific udev rules or similar. There is no
standard entity handling these events. Sadly.
I'm all for standardizing on RESIZE=1. However, we can't really get rid
of the emitting existing SDEV* event without breaking existing setups.
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2020-01-09 2:56 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-02 7:53 [resend v1 0/5] Add support for block disk resize notification Balbir Singh
2020-01-02 7:53 ` [resend v1 1/5] block/genhd: Notify udev about capacity change Balbir Singh
2020-01-03 6:16 ` Chaitanya Kulkarni
2020-01-04 4:44 ` Singh, Balbir
2020-01-04 22:32 ` Chaitanya Kulkarni
2020-01-08 15:02 ` hch
2020-01-07 3:32 ` Martin K. Petersen
2020-01-07 22:30 ` Singh, Balbir
2020-01-08 3:15 ` Martin K. Petersen
2020-01-08 15:04 ` hch
2020-01-21 19:57 ` Singh, Balbir
2020-01-02 7:53 ` [resend v1 2/5] drivers/block/virtio_blk.c: Convert to use disk_set_capacity Balbir Singh
2020-01-02 7:53 ` [resend v1 3/5] drivers/block/xen-blkfront.c: " Balbir Singh
2020-01-02 7:53 ` [resend v1 4/5] drivers/nvme/host/core.c: " Balbir Singh
2020-01-04 22:27 ` Chaitanya Kulkarni
2020-01-06 0:46 ` Singh, Balbir
2020-01-08 15:04 ` hch
2020-01-09 3:33 ` Martin K. Petersen
2020-01-09 13:12 ` Ewan D. Milne
2020-01-21 19:52 ` Singh, Balbir
2020-01-02 7:53 ` [resend v1 5/5] drivers/scsi/sd.c: " Balbir Singh
2020-01-02 22:21 ` Chaitanya Kulkarni
2020-01-03 0:23 ` Singh, Balbir
2020-01-07 3:48 ` Martin K. Petersen
2020-01-07 3:57 ` James Bottomley
2020-01-07 4:39 ` Martin K. Petersen
2020-01-07 21:37 ` Ewan D. Milne
2020-01-08 2:59 ` Martin K. Petersen
2020-01-08 21:27 ` Ewan D. Milne
2020-01-07 22:28 ` Singh, Balbir
2020-01-08 3:15 ` Martin K. Petersen
2020-01-08 4:20 ` Singh, Balbir
2020-01-08 21:32 ` Ewan D. Milne
2020-01-08 15:06 ` Christoph Hellwig
2020-01-09 2:53 ` Martin K. Petersen [this message]
2020-01-06 5:59 ` [resend v1 0/5] Add support for block disk resize notification Bob Liu
2020-01-06 8:47 ` Singh, Balbir
2020-01-06 9:08 ` Bob Liu
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