From: Christoph Hellwig <hch@lst.de>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Christoph Hellwig <hch@lst.de>,
linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Song Liu <song@kernel.org>, Al Viro <viro@zeniv.linux.org.uk>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-raid@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: Re: [PATCH 16/23] initramfs: simplify clean_rootfs
Date: Thu, 23 Jul 2020 11:22:00 +0200 [thread overview]
Message-ID: <20200723092200.GA19922@lst.de> (raw)
In-Reply-To: <20200718100035.GA8856@lst.de>
On Sat, Jul 18, 2020 at 12:00:35PM +0200, Christoph Hellwig wrote:
> On Fri, Jul 17, 2020 at 10:55:48PM +0200, Marek Szyprowski wrote:
> > Hi Christoph,
> >
> > On 14.07.2020 21:04, Christoph Hellwig wrote:
> > > Just use d_genocide instead of iterating through the root directory with
> > > cumbersome userspace-like APIs. This also ensures we actually remove files
> > > that are not direct children of the root entry, which the old code failed
> > > to do.
> > >
> > > Fixes: df52092f3c97 ("fastboot: remove duplicate unpack_to_rootfs()")
> > > Signed-off-by: Christoph Hellwig <hch@lst.de>
> >
> > This patch breaks initrd support ;-(
> >
> > I use initrd to deploy kernel modules on my test machines. It was
> > automatically mounted on /initrd. /lib/modules is just a symlink to
> > /initrd. I know that initrd support is marked as deprecated, but it
> > would be really nice to give people some time to update their machines
> > before breaking the stuff.
>
> Looks like your setup did rely on the /dev/ notes from the built-in
> initramfs to be preserved.
>
> Can you comment out the call to d_genocide? It seems like for your
> the fact that clean_rootfs didn't actually clean up was a feature and
> not a bug.
>
> I guess the old, pre-2008 code also wouldn't have worked for you in
> that case.
Did you get a chance to try this?
next prev parent reply other threads:[~2020-07-23 9:22 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-14 19:04 decruft the early init / initrd / initramfs code v2 Christoph Hellwig
2020-07-14 19:04 ` [PATCH 01/23] fs: add a vfs_fchown helper Christoph Hellwig
2020-07-14 19:04 ` [PATCH 02/23] fs: add a vfs_fchmod helper Christoph Hellwig
2020-07-14 19:04 ` [PATCH 03/23] init: remove the bstat helper Christoph Hellwig
2020-07-15 23:14 ` NeilBrown
2020-07-14 19:04 ` [PATCH 04/23] md: move the early init autodetect code to drivers/md/ Christoph Hellwig
2020-07-14 19:04 ` [PATCH 05/23] md: replace the RAID_AUTORUN ioctl with a direct function call Christoph Hellwig
2020-07-15 23:33 ` NeilBrown
2020-07-14 19:04 ` [PATCH 06/23] md: remove the autoscan partition re-read Christoph Hellwig
2020-07-15 23:34 ` NeilBrown
2020-07-14 19:04 ` [PATCH 07/23] md: remove the kernel version of md_u.h Christoph Hellwig
2020-07-14 19:04 ` [PATCH 08/23] md: simplify md_setup_drive Christoph Hellwig
2020-07-15 23:37 ` NeilBrown
2020-07-14 19:04 ` [PATCH 09/23] md: rewrite md_setup_drive to avoid ioctls Christoph Hellwig
2020-07-15 23:50 ` NeilBrown
2020-07-16 13:38 ` Christoph Hellwig
2020-07-14 19:04 ` [PATCH 10/23] initrd: remove support for multiple floppies Christoph Hellwig
2020-07-14 19:04 ` [PATCH 11/23] initrd: remove the BLKFLSBUF call in handle_initrd Christoph Hellwig
2020-07-14 19:04 ` [PATCH 12/23] initrd: switch initrd loading to struct file based APIs Christoph Hellwig
2020-07-27 1:50 ` Al Viro
2020-07-14 19:04 ` [PATCH 13/23] initrd: mark init_linuxrc as __init Christoph Hellwig
2020-07-14 19:04 ` [PATCH 14/23] initrd: mark initrd support as deprecated Christoph Hellwig
2020-07-14 19:04 ` [PATCH 15/23] initramfs: remove the populate_initrd_image and clean_rootfs stubs Christoph Hellwig
2020-07-14 19:04 ` [PATCH 16/23] initramfs: simplify clean_rootfs Christoph Hellwig
[not found] ` <CGME20200717205549eucas1p13fca9a8496836faa71df515524743648@eucas1p1.samsung.com>
2020-07-17 20:55 ` Marek Szyprowski
2020-07-18 10:00 ` Christoph Hellwig
2020-07-23 9:22 ` Christoph Hellwig [this message]
2020-07-23 14:25 ` Lukasz Stelmach
2020-07-23 14:27 ` Christoph Hellwig
2020-07-27 2:41 ` Al Viro
2020-07-27 2:44 ` Matthew Wilcox
2020-07-14 19:04 ` [PATCH 17/23] initramfs: switch initramfs unpacking to struct file based APIs Christoph Hellwig
2020-07-14 19:31 ` Linus Torvalds
2020-07-15 6:27 ` Christoph Hellwig
2020-07-27 2:55 ` Al Viro
2020-07-14 19:04 ` [PATCH 18/23] init: open code setting up stdin/stdout/stderr Christoph Hellwig
2020-07-27 3:05 ` Al Viro
2020-07-27 5:46 ` Christoph Hellwig
2020-07-27 6:03 ` Al Viro
2020-07-27 6:48 ` Christoph Hellwig
2020-07-27 15:54 ` Al Viro
2020-07-27 15:58 ` Christoph Hellwig
2020-07-27 6:20 ` hpa
2020-07-27 6:24 ` Christoph Hellwig
2020-07-27 6:36 ` hpa
2020-07-27 6:49 ` Christoph Hellwig
2020-07-14 19:04 ` [PATCH 19/23] fs: remove ksys_getdents64 Christoph Hellwig
2020-07-14 19:04 ` [PATCH 20/23] fs: remove ksys_open Christoph Hellwig
2020-07-14 19:04 ` [PATCH 21/23] fs: remove ksys_dup Christoph Hellwig
2020-07-14 19:04 ` [PATCH 22/23] fs: remove ksys_fchmod Christoph Hellwig
2020-07-14 19:04 ` [PATCH 23/23] fs: remove ksys_ioctl Christoph Hellwig
2020-07-14 19:34 ` decruft the early init / initrd / initramfs code v2 Linus Torvalds
2020-07-15 6:51 ` Christoph Hellwig
2020-07-16 15:57 ` Guoqing Jiang
2020-07-16 16:00 ` Christoph Hellwig
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