linux-kernel - Re: [GIT PULL] bcachefs fixes for 6.7.y

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Date: Wed, 13 Mar 2024 14:52:48 -0400
From: Kent Overstreet <kent.overstreet@...ux.dev>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-bcachefs@...r.kernel.org, linux-stable@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] bcachefs fixes for 6.7.y

On Wed, Mar 13, 2024 at 07:20:44PM +0100, Greg Kroah-Hartman wrote:
> On Tue, Mar 12, 2024 at 08:54:24PM -0400, Kent Overstreet wrote:
> > On Sun, Mar 10, 2024 at 03:43:38PM -0400, Kent Overstreet wrote:
> > > The following changes since commit 2e7cdd29fc42c410eab52fffe5710bf656619222:
> > > 
> > >   Linux 6.7.9 (2024-03-06 14:54:01 +0000)
> > > 
> > > are available in the Git repository at:
> > > 
> > >   https://evilpiepirate.org/git/bcachefs.git tags/bcachefs-for-v6.7-stable-20240310
> > > 
> > > for you to fetch changes up to 560ceb6a4d9e3bea57c29f5f3a7a1d671dfc7983:
> > > 
> > >   bcachefs: Fix BTREE_ITER_FILTER_SNAPSHOTS on inodes btree (2024-03-10 14:36:57 -0400)
> > > 
> > > ----------------------------------------------------------------
> > > bcachefs fixes for 6.7 stable
> > > 
> > > "bcachefs: fix simulateously upgrading & downgrading" is the important
> > > one here. This fixes a really nasty bug where in a rare situation we
> > > wouldn't downgrade; we'd write a superblock where the version number is
> > > higher than the currently supported version.
> > > 
> > > This caused total failure to mount multi device filesystems with the
> > > splitbrain checking in 6.8, since now we wouldn't be updating the member
> > > sequence numbers used for splitbrain checking, but the version number
> > > said we would be - and newer versions would attempt to kick every device
> > > out of the fs.
> > > 
> > > ----------------------------------------------------------------
> > > Helge Deller (1):
> > >       bcachefs: Fix build on parisc by avoiding __multi3()
> > > 
> > > Kent Overstreet (3):
> > >       bcachefs: check for failure to downgrade
> > >       bcachefs: fix simulateously upgrading & downgrading
> > >       bcachefs: Fix BTREE_ITER_FILTER_SNAPSHOTS on inodes btree
> > > 
> > > Mathias Krause (1):
> > >       bcachefs: install fd later to avoid race with close
> > > 
> > >  fs/bcachefs/btree_iter.c        |  4 +++-
> > >  fs/bcachefs/chardev.c           |  3 +--
> > >  fs/bcachefs/errcode.h           |  1 +
> > >  fs/bcachefs/mean_and_variance.h |  2 +-
> > >  fs/bcachefs/super-io.c          | 27 ++++++++++++++++++++++++---
> > >  5 files changed, 30 insertions(+), 7 deletions(-)
> > 
> > Why wasn't this applied?
> 
> Because our queue is huge and 1/2 of the stable team is finally taking
> his first vacation in years (and regretting reading email during it
> right now)?  Relax, it will get there, backport requests like this not
> being handled in 48 hours seems like a big ask, don't you think?

Ok - sorry for bothering you then :)