ACK: [SRU][F/E][PATCH 0/2] Reverts to fix overlayfs regression

[Khaled Elmously]

On 2020-05-21 13:12:06 , Kleber Souza wrote:
> BugLink: https://bugs.launchpad.net/bugs/1879690
> 
> [Impact]
> The change applied for bug 1857257 and its followup fix bug 1876645, which were
> released on focal and eoan -updates, introduced a regression on overlayfs,
> breaking docker snap.
> 
> [Test case]
> See original bug report.
> 
> [Fix]
> While we don't have a final fix the solution for now is to revert the following
> commits:
> 
> UBUNTU: SAUCE: overlayfs: fix shitfs special-casing
> UBUNTU: SAUCE: overlayfs: use shiftfs hacks only with shiftfs as underlay
> 
> [Regression potential]
> Low. Reverting these two commits will introduce back the issue reported on bug
> 1857257, but will fix the other use cases which was broken by the latest
> release.
> 
> Kleber Sacilotto de Souza (2):
>   Revert "UBUNTU: SAUCE: overlayfs: fix shitfs special-casing"
>   Revert "UBUNTU: SAUCE: overlayfs: use shiftfs hacks only with shiftfs
>     as underlay"
> 
>  fs/overlayfs/file.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
> 
> -- 
> 2.20.1
> 
> 

Seems like we've had a lot of trouble with these patches.
Thanks for fixing it