linux-kernel - Re: [PATCH 3/3] FS/EFS: convert printk(KERN_DEBUG to pr

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Date:	Wed, 14 May 2014 10:21:08 -0700
From:	Joe Perches <joe@...ches.com>
To:	Fabian Frederick <fabf@...net.be>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	akpm <akpm@...ux-foundation.org>
Subject: Re: [PATCH 3/3] FS/EFS: convert printk(KERN_DEBUG to pr_debug

On Wed, 2014-05-14 at 19:15 +0200, Fabian Frederick wrote:
> All KERN_DEBUG callsites being under #ifdef DEBUG
> we can safely convert everything to pr_debug without changing
> current behaviour.

You could also remove most of the #ifdef DEBUG/#endif blocks

> diff --git a/fs/efs/dir.c b/fs/efs/dir.c
[]
> @@ -73,7 +73,9 @@ static int efs_readdir(struct file *file, struct dir_context *ctx)
>  			nameptr  = dirslot->name;
>  
>  #ifdef DEBUG
> -			printk(KERN_DEBUG "EFS: readdir(): block %d slot %d/%d: inode %u, name \"%s\", namelen %u\n", block, slot, dirblock->slots-1, inodenum, nameptr, namelen);
> +			pr_debug("%s(): block %d slot %d/%d: inode %u, name \"%s\", namelen %u\n",
> +				 __func__, block, slot, dirblock->slots-1,
> +				 inodenum, nameptr, namelen);
>  #endif

Like this one

> diff --git a/fs/efs/inode.c b/fs/efs/inode.c
[]
> @@ -140,8 +140,8 @@ struct inode *efs_iget(struct super_block *super, unsigned long ino)
>  	brelse(bh);
>     
>  #ifdef DEBUG
> -	printk(KERN_DEBUG "EFS: efs_iget(): inode %lu, extents %d, mode %o\n",
> -		inode->i_ino, in->numextents, inode->i_mode);
> +	pr_debug("efs_iget(): inode %lu, extents %d, mode %o\n",
> +		 inode->i_ino, in->numextents, inode->i_mode);
>  #endif

and this, etc...

> diff --git a/fs/efs/super.c b/fs/efs/super.c
[]
> @@ -184,7 +184,7 @@ static efs_block_t efs_validate_vh(struct volume_header *vh) {
>  	}
>  
>  #ifdef DEBUG
> -	printk(KERN_DEBUG "EFS: bf: \"%16s\"\n", vh->vh_bootfile);
> +	pr_debug("bf: \"%16s\"\n", vh->vh_bootfile);
>  
>  	for(i = 0; i < NVDIR; i++) {
>  		int	j;

but not this.

> @@ -211,12 +211,11 @@ static efs_block_t efs_validate_vh(struct volume_header *vh) {
>  		}
>  #ifdef DEBUG
>  		if (be32_to_cpu(vh->vh_pt[i].pt_nblks)) {
> -			printk(KERN_DEBUG "EFS: pt %2d: start: %08d size: %08d type: 0x%02x (%s)\n",
> -				i,
> -				(int) be32_to_cpu(vh->vh_pt[i].pt_firstlbn),
> -				(int) be32_to_cpu(vh->vh_pt[i].pt_nblks),
> -				pt_type,
> -				(pt_entry->pt_name) ? pt_entry->pt_name : "unknown");
> +			pr_debug("pt %2d: start: %08d size: %08d type: 0x%02x (%s)\n",
> +				 i, (int)be32_to_cpu(vh->vh_pt[i].pt_firstlbn),
> +				 (int)be32_to_cpu(vh->vh_pt[i].pt_nblks),
> +				 pt_type, (pt_entry->pt_name) ?
> +				 pt_entry->pt_name : "unknown");
>  		}
>  #endif

or this


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