On Wed, Jan 12, 2022 at 06:26:44PM +0100, Guillaume Morin wrote:
> commit ad3fc798800fb7ca04c1dfc439dba946818048d8 upstream.
>
> The commit 41d2d848e5c0 ("md: improve io stats accounting") could cause
> double fault problem per the report [1], and also it is not correct to
> change ->bi_end_io if md don't own it, so let's revert it.
>
> And io stats accounting will be replemented in later commits.
>
> [1]. https://lore.kernel.org/linux-raid/3bf04253-3fad-434a-63a7-20214e38cf26@xxxxxxxxx/T/#t
>
> Fixes: 41d2d848e5c0 ("md: improve io stats accounting")
> Signed-off-by: Guoqing Jiang <jiangguoqing@xxxxxxxxxx>
> Signed-off-by: Song Liu <song@xxxxxxxxxx>
> [GM: backport to 5.10-stable]
> Signed-off-by: Guillaume Morin <guillaume@xxxxxxxxxxx>
> ---
> drivers/md/md.c | 57 +++++++++++--------------------------------------
> drivers/md/md.h | 1 -
> 2 files changed, 12 insertions(+), 46 deletions(-)
Now queued up, thanks.
greg k-h
