Re:Re: [PATCH 2/3] ntfs: drain in-flight DIO before buffered write fallback

[jiale yao]

Hi Baolin, 
At 2026-09-24 20:04:14, "liubaolin" <liubaolin12138@xxxxxxx> wrote:
>Hi Jiale,
>    This fallback path can still have IOCB_NOWAIT set, but 
>inode_dio_wait() blocks when there is outstanding DIO. Clearing 
>IOCB_DIRECT does not clear IOCB_NOWAIT.
>
>   In comparison, ext4_buffered_write_iter() rejects NOWAIT requests 
>before reaching the wait.
>
>   Could we also handle IOCB_NOWAIT before entering this potentially 
>blocking fallback?
>   If no bytes have been written, we can return -EAGAIN; if some DIO has 
>already completed, we should preserve the positive short-write result.

V2 is here, https://lore.kernel.org/all/20260926072612.3022680-1-yaojiale02@xxxxxxx

Jiale