| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1389471351-31782-1-git-send-email-monamagarwal123@gmail.com> Date: Sun, 12 Jan 2014 01:45:51 +0530 From: Monam Agarwal <monamagarwal123@...il.com> To: gregkh@...uxfoundation.org, monamagarwal123@...il.com, andreas.dilger@...el.com, peter.p.waskiewicz.jr@...el.com, tao.peng@....com, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org Subject: [PATCH v3] Staging: lustre: Use of fls to find last set bit This introduces fls in lustre/ldlm/ldlm_extent.c to find the last set bit. Signed-off-by: Monam Agarwal <monamagarwal123@...il.com> --- Changes since v1: * Incorrect commit message * Use of fls function Changes since v2: * Removal of extra variable drivers/staging/lustre/lustre/ldlm/ldlm_extent.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c index ac5d66a..a4f382d 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c @@ -153,7 +153,7 @@ static inline int lock_mode_to_index(ldlm_mode_t mode) LASSERT(mode != 0); LASSERT(IS_PO2(mode)); - for (index = -1; mode; index++, mode >>= 1) ; + index = fls(mode)-1; LASSERT(index < LCK_MODE_NUM); return index; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists