linux-kernel - Re: [ext3:generic_block_fiemap_removal 3/4] file.c:undefined reference to `iomap

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Message-ID: <20210727085551.GA29619@quack2.suse.cz>
Date:   Tue, 27 Jul 2021 10:55:51 +0200
From:   Jan Kara <jack@...e.cz>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     kernel test robot <lkp@...el.com>, Christoph Hellwig <hch@....de>,
        kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Jan Kara <jack@...e.cz>
Subject: Re: [ext3:generic_block_fiemap_removal 3/4] file.c:undefined
 reference to `iomap_fiemap'

On Tue 27-07-21 07:58:33, Christoph Hellwig wrote:
> Oops, hpfs now needs to select FS_IOMAP:

And I assume ext2 as well, right? So far ext2 needed iomap only for DAX
which selects FS_IOMAP itself. But now ext2 needs iomap also without DAX...

								Honza

> diff --git a/fs/hpfs/Kconfig b/fs/hpfs/Kconfig
> index 2b36dc6f0a10..ec975f466877 100644
> --- a/fs/hpfs/Kconfig
> +++ b/fs/hpfs/Kconfig
> @@ -2,6 +2,7 @@
>  config HPFS_FS
>  	tristate "OS/2 HPFS file system support"
>  	depends on BLOCK
> +	select FS_IOMAP
>  	help
>  	  OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS
>  	  is the file system used for organizing files on OS/2 hard disk
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR