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

From: Jan Kara
Date: Mon Oct 18 2010 - 06:47:47 EST


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@xxxxxxxxx>
> Cc: Jan Kara <jack@xxxxxxx>
Acked-by: Jan Kara <jack@xxxxxxx>

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@xxxxxxx>
SUSE Labs, CR
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