linux-kernel - Re: [btrfs] commit bc27d6f0aa0e4de184b617aceeaf25818cc646de breaks update-grub

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Date: Mon, 5 Feb 2024 13:38:23 +0100
From: Alex Romosan <aromosan@...il.com>
To: dsterba@...e.cz
Cc: Linux regressions mailing list <regressions@...ts.linux.dev>, Anand Jain <anand.jain@...cle.com>, 
	CHECK_1234543212345@...tonmail.com, brauner@...nel.org, 
	linux-btrfs <linux-btrfs@...r.kernel.org>, linux-kernel@...r.kernel.org, 
	Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>, David Sterba <dsterba@...e.com>
Subject: Re: [btrfs] commit bc27d6f0aa0e4de184b617aceeaf25818cc646de breaks update-grub

i can confirm that with this patch applied on top of 6.8-rc3 i can now
run update-grub. thank you. checked the kernel logs for btrfs related
messages and everything seems fine:

Btrfs loaded, zoned=no, fsverity=no
BTRFS: device fsid 695aa7ac-862a-4de3-ae59-c96f784600a0 devid 1
transid 1990924 /dev/root scanned by swapper/0 (1)
BTRFS info (device nvme0n1p3): first mount of filesystem
695aa7ac-862a-4de3-ae59-c96f784600a0
BTRFS info (device nvme0n1p3): using crc32c (crc32c-generic) checksum algorithm
BTRFS info (device nvme0n1p3): disk space caching is enabled
VFS: Mounted root (btrfs filesystem) readonly on device 0:19.
BTRFS info (device nvme0n1p3): the free space cache file
(604538667008) is invalid, skip it
BTRFS info: devid 1 device path /dev/root changed to /dev/nvme0n1p3
scanned by (udev-worker) (277)
BTRFS info (device nvme0n1p3): the free space cache file
(675405627392) is invalid, skip it
BTRFS info (device nvme0n1p3): the free space cache file
(696880463872) is invalid, skip it
BTRFS info (device nvme0n1p3): the free space cache file
(725871493120) is invalid, skip it
BTRFS info (device nvme0n1p3): the free space cache file
(799959678976) is invalid, skip it
BTRFS info (device nvme0n1p3): the free space cache file
(1658160414720) is invalid, skip it

not sure what's going on with the free space cache file, it wasn't
that long ago i mounted the disk with the clear_cache option after
which those messages disappeared but now it's back again...

--alex--

On Mon, Feb 5, 2024 at 12:26 PM David Sterba <dsterba@...e.cz> wrote:
>
> On Sun, Feb 04, 2024 at 07:29:29PM +0100, Alex Romosan wrote:
> > sorry about the html post (in case somebody actually got it). as i was
> > saying, just for the record it's still not fixed in 6.8-rc3. thanks.
>
> I've updated the bug with link to fix
>
> https://github.com/kdave/btrfs-devel/commit/b80f3ec6592c69f88ebc74a4e16676af161e2759
>
> but would like to ask for testing.