Re: [PATCH v2 5/5] ext4: declare support for FOP_DONTCACHE

From: Theodore Ts'o
Date: Wed Jun 25 2025 - 10:37:53 EST


On Tue, Jun 24, 2025 at 12:12:10PM +0000, 陈涛涛 Taotao Chen wrote:
> From: Taotao Chen <chentaotao@xxxxxxxxxxxxxx>
>
> Set the FOP_DONTCACHE flag in ext4_file_operations to indicate that
> ext4 supports IOCB_DONTCACHE handling in buffered write paths.
>
> Part of a series refactoring address_space_operations write_begin and
> write_end callbacks to use struct kiocb for passing write context and
> flags.
>
> Signed-off-by: Taotao Chen <chentaotao@xxxxxxxxxxxxxx>

I agree that it would be better to combine the ext4 patches.

Acked-by: Theodore Ts'o <tytso@xxxxxxx>