From: Christoph Hellwig <hch@lst.de>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: 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, hch@lst.de,
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, 8 Jan 2020 16:06:12 +0100 [thread overview]
Message-ID: <20200108150612.GD10975@lst.de> (raw)
In-Reply-To: <yq1blrg2agh.fsf@oracle.com>
On Mon, Jan 06, 2020 at 10:48:30PM -0500, Martin K. Petersen wrote:
>
> Balbir,
>
> > diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
> > index 5afb0046b12a..1a3be30b6b78 100644
> > --- a/drivers/scsi/sd.c
> > +++ b/drivers/scsi/sd.c
> > @@ -3184,7 +3184,7 @@ static int sd_revalidate_disk(struct gendisk *disk)
> >
> > sdkp->first_scan = 0;
> >
> > - set_capacity(disk, logical_to_sectors(sdp, sdkp->capacity));
> > + disk_set_capacity(disk, logical_to_sectors(sdp, sdkp->capacity));
> > sd_config_write_same(sdkp);
> > kfree(buffer);
>
> 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..
next prev parent reply other threads:[~2020-01-08 15:06 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 [this message]
2020-01-09 2:53 ` Martin K. Petersen
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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