Re: [PATCH v3 2/2] writeback: Fix false warning in inode_to_wb()

[Andrew Morton]

On Sat, 12 Apr 2025 18:39:12 +0200 Andreas Gruenbacher <agruenba@xxxxxxxxxx> wrote:

> inode_to_wb() is used also for filesystems that don't support cgroup
> writeback. For these filesystems inode->i_wb is stable during the
> lifetime of the inode (it points to bdi->wb) and there's no need to hold
> locks protecting the inode->i_wb dereference. Improve the warning in
> inode_to_wb() to not trigger for these filesystems.
> 
> Signed-off-by: Jan Kara <jack@xxxxxxx>
> Reviewed-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx>

Yoo were on the patch delivery path so there should be a
signed-off-by:Andreas somewhere.  I made that change to the mm.git copy
of this patch.