Re: [PATCH v5 03/10] fs: Initial atomic write support

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On 2/26/24 10:36 AM, John Garry wrote:
> diff --git a/io_uring/rw.c b/io_uring/rw.c
> index d5e79d9bdc71..099dda3ff151 100644
> --- a/io_uring/rw.c
> +++ b/io_uring/rw.c
> @@ -719,7 +719,7 @@ static int io_rw_init_file(struct io_kiocb *req, fmode_t mode)
>  	struct kiocb *kiocb = &rw->kiocb;
>  	struct io_ring_ctx *ctx = req->ctx;
>  	struct file *file = req->file;
> -	int ret;
> +	int ret, rw_type = (mode == FMODE_WRITE) ? WRITE : READ;
>  
>  	if (unlikely(!file || !(file->f_mode & mode)))
>  		return -EBADF;
> @@ -728,7 +728,7 @@ static int io_rw_init_file(struct io_kiocb *req, fmode_t mode)
>  		req->flags |= io_file_get_flags(file);
>  
>  	kiocb->ki_flags = file->f_iocb_flags;
> -	ret = kiocb_set_rw_flags(kiocb, rw->flags);
> +	ret = kiocb_set_rw_flags(kiocb, rw->flags, rw_type);
>  	if (unlikely(ret))
>  		return ret;
>  	kiocb->ki_flags |= IOCB_ALLOC_CACHE;

Not sure why you took the lazy way out here rather than just pass it in,
now there's another branhc in the hot path. NAK.

-- 
Jens Axboe





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