linux-kernel - Re: [PATCH v3 18/18] ext4: Allow punch hole with bigalloc enabled

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Message-ID: <20130420134316.GB2461@quack.suse.cz>
Date:	Sat, 20 Apr 2013 15:43:16 +0200
From:	Jan Kara <jack@...e.cz>
To:	Lukas Czerner <lczerner@...hat.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: [PATCH v3 18/18] ext4: Allow punch hole with bigalloc enabled

On Tue 09-04-13 11:14:27, Lukas Czerner wrote:
> In commits 5f95d21fb6f2aaa52830e5b7fb405f6c71d3ab85 and
> 30bc2ec9598a1b156ad75217f2e7d4560efdeeab we've reworked punch_hole
> implementation and there is noting holding us back from using punch hole
> on file system with bigalloc feature enabled.
> 
> This has been tested with fsx and xfstests.
  Looks good. You can add:
Reviewed-by: Jan Kara <jack@...e.cz>

									Honza

> 
> Signed-off-by: Lukas Czerner <lczerner@...hat.com>
> ---
>  fs/ext4/inode.c |    5 -----
>  1 files changed, 0 insertions(+), 5 deletions(-)
> 
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index 0d452c1..87d6171 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -3536,11 +3536,6 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
>  	if (!S_ISREG(inode->i_mode))
>  		return -EOPNOTSUPP;
>  
> -	if (EXT4_SB(sb)->s_cluster_ratio > 1) {
> -		/* TODO: Add support for bigalloc file systems */
> -		return -EOPNOTSUPP;
> -	}
> -
>  	trace_ext4_punch_hole(inode, offset, length);
>  
>  	/*
> -- 
> 1.7.7.6
> 
> --
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-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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