linux-kernel - Re: [PATCH 16/22] udf: use little endian bitops

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Date:	Mon, 18 Oct 2010 12:46:43 +0200
From:	Jan Kara <jack@...e.cz>
To:	Akinobu Mita <akinobu.mita@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Kara <jack@...e.cz>
Subject: Re: [PATCH 16/22] udf: use little endian bitops

On Fri 15-10-10 18:46:15, Akinobu Mita wrote:
> As a preparation for removing ext2 non-atomic bit operations from
> asm/bitops.h. This converts ext2 non-atomic bit operations to
> little endian bit operations.
> 
> Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
> Cc: Jan Kara <jack@...e.cz>
  Acked-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  fs/udf/balloc.c |   11 +++++++----
>  1 files changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
> index b608efa..e55aff9 100644
> --- a/fs/udf/balloc.c
> +++ b/fs/udf/balloc.c
> @@ -27,11 +27,14 @@
>  #include "udf_i.h"
>  #include "udf_sb.h"
>  
> -#define udf_clear_bit(nr, addr) ext2_clear_bit(nr, addr)
> -#define udf_set_bit(nr, addr) ext2_set_bit(nr, addr)
> -#define udf_test_bit(nr, addr) ext2_test_bit(nr, addr)
> +#define udf_clear_bit(nr, addr)	\
> +	__test_and_clear_le_bit(nr, (unsigned long *)(addr))
> +#define udf_set_bit(nr, addr)	\
> +	__test_and_set_le_bit(nr, (unsigned long *)(addr))
> +#define udf_test_bit(nr, addr)	\
> +	test_le_bit(nr, (unsigned long *)(addr))
>  #define udf_find_next_one_bit(addr, size, offset) \
> -		ext2_find_next_bit(addr, size, offset)
> +	find_next_le_bit((unsigned long *)(addr), size, offset)
>  
>  static int read_block_bitmap(struct super_block *sb,
>  			     struct udf_bitmap *bitmap, unsigned int block,
> -- 
> 1.7.1.231.gd0b16
> 
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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