> On Jul 27, 2020, at 3:17 PM, Sasha Levin <sashal@xxxxxxxxxx> wrote: > > On Mon, Jul 27, 2020 at 02:38:52PM -0500, John Donnelly wrote: >> >> >>> On Jul 27, 2020, at 2:18 PM, Sasha Levin <sashal@xxxxxxxxxx> wrote: >>> >>> On Mon, Jul 27, 2020 at 11:00:14AM -0400, Mike Snitzer wrote: >>>> This mail needs to be saent to stable@xxxxxxxxxxxxxxx (now cc'd). >>>> >>>> Greg et al: please backport 2df3bae9a6543e90042291707b8db0cbfbae9ee9 >>> >>> Hm, what's the issue that this patch addresses? It's not clear from the >>> commit message. >>> >>> -- >>> Thanks, >>> Sasha >> >> HI Sasha , >> >> In an off-line conversation I had with Mike , he indicated that : >> >> >> commit 1b17159e52bb31f982f82a6278acd7fab1d3f67b >> Author: Mike Snitzer <snitzer@xxxxxxxxxx> >> Date: Fri Feb 28 18:00:53 2020 -0500 >> >> dm bio record: save/restore bi_end_io and bi_integrity >> >> >> commit 248aa2645aa7fc9175d1107c2593cc90d4af5a4e >> Author: Mike Snitzer <snitzer@xxxxxxxxxx> >> Date: Fri Feb 28 18:11:53 2020 -0500 >> >> dm integrity: use dm_bio_record and dm_bio_restore >> >> >> Were picked up in "stable" kernels picked up even though >> neither was marked for stable@xxxxxxxxxxxxxxx >> >> Adding this missing commit : >> >> 2df3bae9a6543e90042291707b8db0cbfbae9ee9 >> >> >> Completes the series > > Should we just revert those two commits instead if they're not needed? > > -- > Thanks, > Sasha As I stated above: > Fixes: 705559706d62038b74c5088114c1799cf2c9dce8 (dm bio record: > save/restore bi_end_io and bi_integrity, version 4.14.188) > > 70555970 introduced a mkfs.ext4 hang on a LVM device that has been > modified with lvconvert --cachemode=writethrough. It corrects an issue we discovered in 4.14.188 . Any other branches those two commits have migrated to will likely have the same regression. I am confident linux-4.14.y will be better off with it ;-)