linux-kernel - Re: [PATCH 4/7] fs/writeback: remove unneeded check in writeback_single

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Date: Thu, 08 Feb 2024 11:34:36 -0800
From: Tim Chen <tim.c.chen@...ux.intel.com>
To: Kemeng Shi <shikemeng@...weicloud.com>, viro@...iv.linux.org.uk, 
	brauner@...nel.org, jack@...e.cz
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/7] fs/writeback: remove unneeded check in
 writeback_single_inode

On Fri, 2024-02-09 at 01:20 +0800, Kemeng Shi wrote:
> I_DIRTY_ALL consists of I_DIRTY_TIME and I_DIRTY, so I_DIRTY_TIME must
> be set when any bit of I_DIRTY_ALL is set but I_DIRTY is not set.

/s/any bit of/some bit in/

> 
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>

Reviewed by: Tim Chen <tim.c.chen@...ux.intel.com>

> ---
>  fs/fs-writeback.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
> index 2619f74ced70..b61bf2075931 100644
> --- a/fs/fs-writeback.c
> +++ b/fs/fs-writeback.c
> @@ -1788,7 +1788,7 @@ static int writeback_single_inode(struct inode *inode,
>  		else if (!(inode->i_state & I_SYNC_QUEUED)) {
>  			if ((inode->i_state & I_DIRTY))
>  				redirty_tail_locked(inode, wb);
> -			else if (inode->i_state & I_DIRTY_TIME) {
> +			else {
>  				inode->dirtied_when = jiffies;
>  				inode_io_list_move_locked(inode,
>  							  wb,