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From: Andrew Morton <akpm@linux-foundation.org>
To: Yafang Shao <laoar.shao@gmail.com>
Cc: david@fromorbit.com, hch@infradead.org, darrick.wong@oracle.com,
	willy@infradead.org, mhocko@kernel.org,
	linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [PATCH v6 2/2] xfs: avoid transaction reservation recursion
Date: Mon, 24 Aug 2020 13:09:25 -0700	[thread overview]
Message-ID: <20200824130925.a3d2d2b75ac3a6b4eba72fb9@linux-foundation.org> (raw)
In-Reply-To: <20200824014234.7109-3-laoar.shao@gmail.com>

On Mon, 24 Aug 2020 09:42:34 +0800 Yafang Shao <laoar.shao@gmail.com> wrote:

> --- a/include/linux/iomap.h
> +++ b/include/linux/iomap.h
> @@ -271,4 +271,11 @@ int iomap_swapfile_activate(struct swap_info_struct *sis,
>  # define iomap_swapfile_activate(sis, swapfile, pagespan, ops)	(-EIO)
>  #endif /* CONFIG_SWAP */
>  
> +/* Use the journal_info to indicate current is in a transaction */
> +static inline bool
> +fstrans_context_active(void)
> +{
> +	return current->journal_info != NULL;
> +}

Why choose iomap.h for this?

  reply	other threads:[~2020-08-24 20:09 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-24  1:42 [PATCH v6 0/2] avoid xfs " Yafang Shao
2020-08-24  1:42 ` [PATCH v6 1/2] mm: Add become_kswapd and restore_kswapd Yafang Shao
2020-08-24  1:42 ` [PATCH v6 2/2] xfs: avoid transaction reservation recursion Yafang Shao
2020-08-24 20:09   ` Andrew Morton [this message]
2020-08-24 20:56     ` Matthew Wilcox
2020-08-25  1:39       ` Yafang Shao
2020-08-25  5:32       ` Dave Chinner
2020-08-25  6:22         ` Yafang Shao
2020-08-25 22:47           ` Dave Chinner
2020-08-26  4:30             ` Yafang Shao

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