From: Daniel Golle <daniel@makrotopia.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Richard Weinberger <richard@nod.at>,
Matthew Wilcox <willy@infradead.org>,
Jens Axboe <axboe@kernel.dk>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Chaitanya Kulkarni <kch@nvidia.com>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 1/4] init: move block device helpers from init/do_mounts.c
Date: Thu, 30 Mar 2023 15:43:14 +0100 [thread overview]
Message-ID: <ZCWgAvLh6sNs03SW@makrotopia.org> (raw)
In-Reply-To: <Y3zCdJr5dKsADsnM@infradead.org>
Hi Christoph,
On Tue, Nov 22, 2022 at 04:37:08AM -0800, Christoph Hellwig wrote:
> On Sat, Nov 19, 2022 at 04:03:11PM +0000, Daniel Golle wrote:
> > [...]
> > Yet another (imho not terrible) problem is removal of the lower device.
> > Many of the supported SBC use a micro SD card to boot, which can be
> > removed by the user while the system is running (which is generally not
> > a good idea, but anyway). For partitions this is handled automatically
> > by blk_drop_partitions() called directly from genhd.c.
> > I'm currently playing with doing something similar using the bus device
> > removal notification, but it doesn't seem to work for all cases, e.g.
> > mmcblk device do not seem to have the ->bus pointer populated at all
> > (ie. disk_to_dev(disk)->bus == NULL for mmcblk devices).
>
> I have WIP patches that allow the claimer of a block device get
> resize and removal notification. It's not going to land for 6.2,
> but I hope I have it ready in time for the next merge window.
Any news about that patchset? I'd happily review, test and use it ;)
next prev parent reply other threads:[~2023-03-30 14:43 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-17 0:42 [RFC PATCH 0/4] block: uImage.FIT filesystem image mapper Daniel Golle
2022-11-17 0:42 ` [RFC PATCH 1/4] init: move block device helpers from init/do_mounts.c Daniel Golle
2022-11-17 5:55 ` Christoph Hellwig
2022-11-19 16:03 ` Daniel Golle
2022-11-22 12:37 ` Christoph Hellwig
2022-12-09 17:00 ` Daniel Golle
2022-12-12 9:03 ` Christoph Hellwig
2022-12-12 11:02 ` Daniel Golle
2022-12-13 6:48 ` Christoph Hellwig
2022-12-13 12:45 ` Daniel Golle
2022-12-14 16:43 ` Christoph Hellwig
2022-12-14 20:01 ` Daniel Golle
2022-12-15 8:09 ` Christoph Hellwig
2023-03-30 14:43 ` Daniel Golle [this message]
2022-11-17 0:43 ` [RFC PATCH 2/4] block: add new flag to add partitions read-only Daniel Golle
2022-11-17 0:44 ` [RFC PATCH 3/4] blkdev: add function to add named read-only partitions Daniel Golle
2022-11-17 5:56 ` Christoph Hellwig
2022-11-17 17:12 ` Daniel Golle
2022-11-17 0:45 ` [RFC PATCH 4/4] block: add uImage.FIT block partition driver Daniel Golle
2022-11-17 5:58 ` Christoph Hellwig
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