Re: [PATCH 1/2] fs/dax: Remove unused dax_layout_busy_page()

[Muchun Song]

> On Sep 4, 2026, at 23:27, Kaitao Cheng <kaitao.cheng@xxxxxxxxx> wrote:
> 
> From: Kaitao Cheng <chengkaitao@xxxxxxxxxx>
> 
> dax_layout_busy_page() used to let filesystems scan an entire DAX
> mapping for pinned pages. All callers now use dax_break_layout(),
> which also handles waiting for busy pages and deleting DAX mapping
> entries once the range becomes idle.
> 
> The remaining function is only a wrapper around
> dax_layout_busy_page_range() and has no in-tree users. Remove it
> together with its declaration, !CONFIG_FS_DAX stub, and exported
> symbol.
> 
> Signed-off-by: Kaitao Cheng <chengkaitao@xxxxxxxxxx>

Acked-by: Muchun Song <muchun.song@xxxxxxxxx>

Thanks.