From: Robin Dong <sanbai@taobao.com> Date: Wed, 26 Oct 2011 12:48:54 +0000 (-0400) Subject: ext4: fix a wrong comment in __mb_check_buddy() X-Git-Tag: firefly_0821_release~3680^2~4229^2~26 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0a10da73e1fa6fb9b45f1166011ff3b04c27c010;p=firefly-linux-kernel-4.4.55.git ext4: fix a wrong comment in __mb_check_buddy() The comment says the bit should be 0, but the after code assert the bit to be 1. This makes people confused, so fix it. Signed-off-by: Robin Dong <sanbai@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> --- diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 2bb1ddc5c30b..e2d8be8f28bf 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -581,7 +581,7 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file, continue; } - /* both bits in buddy2 must be 0 */ + /* both bits in buddy2 must be 1 */ MB_CHECK_ASSERT(mb_test_bit(i << 1, buddy2)); MB_CHECK_ASSERT(mb_test_bit((i << 1) + 1, buddy2));