linux-ext4 - Re: [PATCH 1/4] ext2: make ext2_iomap

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Message-ID: <20210726133306.GD20621@quack2.suse.cz>
Date:   Mon, 26 Jul 2021 15:33:06 +0200
From:   Jan Kara <jack@...e.cz>
To:     Christoph Hellwig <hch@....de>
Cc:     Jan Kara <jack@...e.com>,
        Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz>,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 1/4] ext2: make ext2_iomap_ops available unconditionally

On Tue 20-07-21 15:33:38, Christoph Hellwig wrote:
> ext2_iomap_ops will be used for the FIEMAP support going forward,
> so make it available unconditionally.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  fs/ext2/inode.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
> index dadb121beb22..3e9a04770f49 100644
> --- a/fs/ext2/inode.c
> +++ b/fs/ext2/inode.c
> @@ -799,7 +799,6 @@ int ext2_get_block(struct inode *inode, sector_t iblock,
>  
>  }
>  
> -#ifdef CONFIG_FS_DAX
>  static int ext2_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
>  		unsigned flags, struct iomap *iomap, struct iomap *srcmap)
>  {
> @@ -852,10 +851,6 @@ const struct iomap_ops ext2_iomap_ops = {
>  	.iomap_begin		= ext2_iomap_begin,
>  	.iomap_end		= ext2_iomap_end,
>  };
> -#else
> -/* Define empty ops for !CONFIG_FS_DAX case to avoid ugly ifdefs */
> -const struct iomap_ops ext2_iomap_ops;
> -#endif /* CONFIG_FS_DAX */
>  
>  int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
>  		u64 start, u64 len)
> -- 
> 2.30.2
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR