On 2020/7/28 21:59, colyli@xxxxxxx wrote:
> From: Coly Li <colyli@xxxxxxx>
>
> This patch is a fix to patch "bcache: fix bio_{start,end}_io_acct with
> proper device". The previous patch uses a hack to temporarily set
> bi_disk to bcache device, which is mistaken too.
>
> As Christoph suggests, this patch uses disk_{start,end}_io_acct() to
> count I/O for bcache device in the correct way.
>
> Fixes: 85750aeb748f ("bcache: use bio_{start,end}_io_acct")
> Signed-off-by: Coly Li <colyli@xxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
Hi Jens and Christoph,
This patch is tested, the I/O counter behavior is displayed by iostat in
expected way.
Please consider to take it for Linux v5.9.
Thanks in advance.
Coly Li
