Re: [PATCH 6.6.x] btrfs: add cancellation points to trim loops

[David Sterba <dsterba@suse.cz>]

On Mon, Dec 02, 2024 at 12:15:54PM +0100, Greg KH wrote:
> On Mon, Nov 25, 2024 at 07:07:28PM +0100, David Sterba wrote:
> > From: Luca Stefani <luca.stefani.ge1@gmail.com>
> > 
> > There are reports that system cannot suspend due to running trim because
> > the task responsible for trimming the device isn't able to finish in
> > time, especially since we have a free extent discarding phase, which can
> > trim a lot of unallocated space. There are no limits on the trim size
> > (unlike the block group part).
> > 
> > Since trime isn't a critical call it can be interrupted at any time,
> > in such cases we stop the trim, report the amount of discarded bytes and
> > return an error.
> > 
> > Link: https://bugzilla.kernel.org/show_bug.cgi?id=219180
> > Link: https://bugzilla.suse.com/show_bug.cgi?id=1229737
> > CC: stable@vger.kernel.org # 5.15+
> > Signed-off-by: Luca Stefani <luca.stefani.ge1@gmail.com>
> > Reviewed-by: David Sterba <dsterba@suse.com>
> > Signed-off-by: David Sterba <dsterba@suse.com>
> > ---
> 
> No git id?  :(

I forgot to add it but meanwhile Sasha looked up the commit and added it for me.