On Fri, 12 Jun 2020, Huaisheng Ye wrote:
> From: Huaisheng Ye <ye...@lenovo.com>
>
> When uncommitted entry has been discarded, correct wc->uncommitted_block
> for getting the exact number.
>
> Signed-off-by: Huaisheng Ye <ye...@lenovo.com>
Acked-by: Mikulas Patocka <mpato...@redhat.com>
Also, add:
Cc: sta...@vger.kernel.org
> ---
> drivers/md/dm-writecache.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
> index 4367cc7..64b4527 100644
> --- a/drivers/md/dm-writecache.c
> +++ b/drivers/md/dm-writecache.c
> @@ -855,6 +855,8 @@ static void writecache_discard(struct dm_writecache *wc,
> sector_t start, sector_
> }
> discarded_something = true;
> }
> + if (!writecache_entry_is_committed(wc, e))
> + wc->uncommitted_blocks--;
> writecache_free_entry(wc, e);
> }
>
> --
> 1.8.3.1
>
