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Date: Sun, 6 Dec 2020 15:48:32 +0900 From: Levi Yun <ppbuk5246@...il.com> To: akpm@...ux-foundation.org, yury.norov@...il.com, andriy.shevchenko@...ux.intel.com, richard.weiyang@...ux.alibaba.com, christian.brauner@...ntu.com, arnd@...db.de, jpoimboe@...hat.com, changbin.du@...el.com, rdunlap@...radead.org, masahiroy@...nel.org, gregkh@...uxfoundation.org, peterz@...radead.org, peter.enderborg@...y.com, krzk@...nel.org, brendanhiggins@...gle.com, keescook@...omium.org, broonie@...nel.org, matti.vaittinen@...rohmeurope.com, mhiramat@...nel.org, jpa@....mail.kapsi.fi, nivedita@...m.mit.edu, glider@...gle.com, orson.zhai@...soc.com, takahiro.akashi@...aro.org, clm@...com, josef@...icpanda.com, dsterba@...e.com, dushistov@...l.ru Cc: linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, linux-btrfs@...r.kernel.org Subject: [PATCH v2 4/8] bitops/le.h: Add le support for find_last_bit Inspired find_next_*_bit function series, add find_last_zero_bit. These patch adds declarations for find_last_zero_bit. This patch is for le support of find_last_bit and find_last_bit_zero. Signed-off-by: Levi Yun <ppbuk5246@...il.com> --- include/asm-generic/bitops/le.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/asm-generic/bitops/le.h b/include/asm-generic/bitops/le.h index 188d3eba3ace..3d6661cc8077 100644 --- a/include/asm-generic/bitops/le.h +++ b/include/asm-generic/bitops/le.h @@ -27,6 +27,18 @@ static inline unsigned long find_first_zero_bit_le(const void *addr, return find_first_zero_bit(addr, size); } +static inline unsigned long find_last_bit_le(const void *addr, + unsigned long size) +{ + return find_last_bit(addr, size); +} + +static inline unsigned long find_last_zero_bit_le(const void *addr, + unsigned long size) +{ + return find_last_zero_bit(addr, size); +} + #elif defined(__BIG_ENDIAN) #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7) @@ -46,6 +58,14 @@ extern unsigned long find_next_bit_le(const void *addr, find_next_zero_bit_le((addr), (size), 0) #endif +#ifndef find_last_zero_bit_le +extern unsigned long find_last_zero_bit_le(const void *addr, unsigned long size); +#endif + +#ifndef find_last_bit_le +extern unsigned long find_last_bit_le(const void *addr, unsigned long size); +#endif + #else #error "Please fix <asm/byteorder.h>" #endif -- 2.27.0
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