[dm-devel] Backport request for bcb44433bba5 ("dm: disable DISCARD if the underlying storage no longer supports it")

[Greg Kroah-Hartman]

On Sun, Aug 18, 2019 at 05:59:41PM +0200, Salvatore Bonaccorso wrote:
> Hi
> 
> In Debian bug https://bugs.debian.org/934331 ran into issues which
> match the upstream commit bcb44433bba5 ("dm: disable DISCARD if the
> underlying storage no longer supports it").
> 
> This commit was CC'ed to stable, but only got applied in v5.0.8 (and
> later on backported by Ben Hutchings to v3.16.72).
> 
> Mike, I have not checked how easily that would be for older stable
> versions, but can the backport be considered for versions down to 4.9?
> Apparently Ben did succeed with some changes needed. To 4.19 it should
> apply with a small conflict in drivers/md/dm-core.h AFAICS.

If someone sends the backports to the list, I will be glad to queue them
up.

thanks,

greg k-h