Re: [PATCH] fix page_count in ->iomap_migrate_page()
From: Gao Xiang
Date: Fri Dec 14 2018 - 23:26:48 EST
On 2018/12/14 13:56, zhangjun wrote:
> IOMAP uses PG_private a little different with buffer_head based
> It uses it as marker and when set, the page counter is not incremented,
> migrate_page_move_mapping() assumes that PG_private indicates a counter
> of +1.
> so, we have to pass a extra count of -1 to migrate_page_move_mapping()
> if the flag is set.
> Signed-off-by: zhangjun <openzhangj@xxxxxxxxx>
I found that it fixed in
and has been merged in
It seems it has been corrected by Piotr.