linux-ext4 - Re: [PATCH] ext4: remove useless ext4_pin

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Date:   Mon, 4 Mar 2019 09:31:06 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     <tytso@....edu>, <adilger.kernel@...ger.ca>,
        <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] ext4: remove useless ext4_pin_inode()

Friendly ping...

Anyone can help to review this patch?

On 2019/2/27 10:20, Jason Yan wrote:
> This function is never used from the beginning. Let's remove it.
> 
> Signed-off-by: Jason Yan <yanaijie@...wei.com>
> ---
>   fs/ext4/inode.c | 30 ------------------------------
>   1 file changed, 30 deletions(-)
> 
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index 34d7e0703cc6..0060d08edd92 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -6089,36 +6089,6 @@ void ext4_dirty_inode(struct inode *inode, int flags)
>   	return;
>   }
>   
> -#if 0
> -/*
> - * Bind an inode's backing buffer_head into this transaction, to prevent
> - * it from being flushed to disk early.  Unlike
> - * ext4_reserve_inode_write, this leaves behind no bh reference and
> - * returns no iloc structure, so the caller needs to repeat the iloc
> - * lookup to mark the inode dirty later.
> - */
> -static int ext4_pin_inode(handle_t *handle, struct inode *inode)
> -{
> -	struct ext4_iloc iloc;
> -
> -	int err = 0;
> -	if (handle) {
> -		err = ext4_get_inode_loc(inode, &iloc);
> -		if (!err) {
> -			BUFFER_TRACE(iloc.bh, "get_write_access");
> -			err = jbd2_journal_get_write_access(handle, iloc.bh);
> -			if (!err)
> -				err = ext4_handle_dirty_metadata(handle,
> -								 NULL,
> -								 iloc.bh);
> -			brelse(iloc.bh);
> -		}
> -	}
> -	ext4_std_error(inode->i_sb, err);
> -	return err;
> -}
> -#endif
> -
>   int ext4_change_inode_journal_flag(struct inode *inode, int val)
>   {
>   	journal_t *journal;
>