[PATCH] dma-buf: Change to use DEFINE_SHOW_ATTRIBUTE macro

[Daniel Vetter]

On Fri, Nov 30, 2018 at 11:11:01AM -0500, Yangtao Li wrote:
> Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
> 
> Signed-off-by: Yangtao Li <tiny.windzz at gmail.com>

Sorry, fell through the cracks, applied for 4.22, thanks for your patch.
For next time around pls ping again after 1-2 weeks already, instead of
1-2 months.

Thanks, Daniel

> ---
>  drivers/dma-buf/dma-buf.c    | 12 +-----------
>  drivers/dma-buf/sync_debug.c | 16 +++-------------
>  2 files changed, 4 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
> index 02f7f9a89979..7c858020d14b 100644
> --- a/drivers/dma-buf/dma-buf.c
> +++ b/drivers/dma-buf/dma-buf.c
> @@ -1093,17 +1093,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
>  	return 0;
>  }
>  
> -static int dma_buf_debug_open(struct inode *inode, struct file *file)
> -{
> -	return single_open(file, dma_buf_debug_show, NULL);
> -}
> -
> -static const struct file_operations dma_buf_debug_fops = {
> -	.open           = dma_buf_debug_open,
> -	.read           = seq_read,
> -	.llseek         = seq_lseek,
> -	.release        = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(dma_buf_debug);
>  
>  static struct dentry *dma_buf_debugfs_dir;
>  
> diff --git a/drivers/dma-buf/sync_debug.c b/drivers/dma-buf/sync_debug.c
> index c4c8ecb24aa9..c0abf37df88b 100644
> --- a/drivers/dma-buf/sync_debug.c
> +++ b/drivers/dma-buf/sync_debug.c
> @@ -147,7 +147,7 @@ static void sync_print_sync_file(struct seq_file *s,
>  	}
>  }
>  
> -static int sync_debugfs_show(struct seq_file *s, void *unused)
> +static int sync_info_debugfs_show(struct seq_file *s, void *unused)
>  {
>  	struct list_head *pos;
>  
> @@ -178,17 +178,7 @@ static int sync_debugfs_show(struct seq_file *s, void *unused)
>  	return 0;
>  }
>  
> -static int sync_info_debugfs_open(struct inode *inode, struct file *file)
> -{
> -	return single_open(file, sync_debugfs_show, inode->i_private);
> -}
> -
> -static const struct file_operations sync_info_debugfs_fops = {
> -	.open           = sync_info_debugfs_open,
> -	.read           = seq_read,
> -	.llseek         = seq_lseek,
> -	.release        = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(sync_info_debugfs);
>  
>  static __init int sync_debugfs_init(void)
>  {
> @@ -218,7 +208,7 @@ void sync_dump(void)
>  	};
>  	int i;
>  
> -	sync_debugfs_show(&s, NULL);
> +	sync_info_debugfs_show(&s, NULL);
>  
>  	for (i = 0; i < s.count; i += DUMP_CHUNK) {
>  		if ((s.count - i) > DUMP_CHUNK) {
> -- 
> 2.17.0
> 
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> dri-devel at lists.freedesktop.org
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch