On 5.11.18 г. 21:06 ч., Rosen Penev wrote:
> Replaced bswap with _ variants. While it's a glibc extension, all of the
> popular libc implementations (glibc, uClibc, musl, BIONIC) seem to support
> it.
>
> Added static inline to two functions to match little endian variants. This
> fixes a linking error experienced when compiling.
On what platform did you experience the linking error?
>
> Signed-off-by: Rosen Penev <[email protected]>
> ---
> kernel-lib/bitops.h | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/kernel-lib/bitops.h b/kernel-lib/bitops.h
> index b1fd6f5..2c51a26 100644
> --- a/kernel-lib/bitops.h
> +++ b/kernel-lib/bitops.h
> @@ -178,9 +178,9 @@ static inline unsigned long find_next_zero_bit(const
> unsigned long *addr,
> static inline unsigned long ext2_swab(const unsigned long y)
> {
> #if BITS_PER_LONG == 64
> - return (unsigned long) bswap64((u64) y);
> + return (unsigned long) bswap_64((u64) y);
> #elif BITS_PER_LONG == 32
> - return (unsigned long) bswap32((u32) y);
> + return (unsigned long) bswap_32((u32) y);
> #else
> #error BITS_PER_LONG not defined
> #endif
> @@ -218,14 +218,14 @@ static inline unsigned long _find_next_bit_le(const
> unsigned long *addr1,
> return min(start + __ffs(ext2_swab(tmp)), nbits);
> }
>
> -unsigned long find_next_zero_bit_le(const void *addr, unsigned long size,
> +static inline unsigned long find_next_zero_bit_le(const void *addr, unsigned
> long size,
> unsigned long offset)
> {
> return _find_next_bit_le(addr, NULL, size, offset, ~0UL);
> }
>
>
> -unsigned long find_next_bit_le(const void *addr, unsigned long size,
> +static inline unsigned long find_next_bit_le(const void *addr, unsigned long
> size,
> unsigned long offset)
> {
> return _find_next_bit_le(addr, NULL, size, offset, 0UL);
>
