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[69.42.16.32]) by smtp.gmail.com with ESMTPSA id l129-v6sm55872516pfc.155.2018.11.05.11.06.45 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 05 Nov 2018 11:06:45 -0800 (PST) From: Rosen Penev To: linux-btrfs@vger.kernel.org Subject: [PATCH 1/3] bitops: Fix big endian compilation Date: Mon, 5 Nov 2018 11:06:41 -0800 Message-Id: <20181105190643.13578-1-rosenp@gmail.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org 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. Signed-off-by: Rosen Penev --- 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); -- 2.19.1