From mboxrd@z Thu Jan 1 00:00:00 1970 From: T Makphaibulchoke Subject: [PATCH] fs/mbcache.c: replacing __builtin_log2() with ilog2() Date: Fri, 30 May 2014 11:35:04 -0600 Message-ID: <1401471304-37479-1-git-send-email-tmac@hp.com> Cc: T Makphaibulchoke To: viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu Return-path: Received: from g9t1613g.houston.hp.com ([15.240.0.71]:60026 "EHLO g9t1613g.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752209AbaE3Rf1 (ORCPT ); Fri, 30 May 2014 13:35:27 -0400 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Fixing compiler error with some gcc version(s) that do not support __builtin_log2(). Replacing __builtin_log2() with ilog2(). Signed-off-by: T. Makphaibulchoke --- fs/mbcache.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/mbcache.c b/fs/mbcache.c index bf166e3..187477d 100644 --- a/fs/mbcache.c +++ b/fs/mbcache.c @@ -73,6 +73,7 @@ #include #include #include +#include #ifdef MB_CACHE_DEBUG # define mb_debug(f...) do { \ @@ -93,7 +94,7 @@ #define MB_CACHE_WRITER ((unsigned short)~0U >> 1) -#define MB_CACHE_ENTRY_LOCK_BITS __builtin_log2(NR_BG_LOCKS) +#define MB_CACHE_ENTRY_LOCK_BITS ilog2(NR_BG_LOCKS) #define MB_CACHE_ENTRY_LOCK_INDEX(ce) \ (hash_long((unsigned long)ce, MB_CACHE_ENTRY_LOCK_BITS)) -- 1.7.11.3