linux-ext4 - [PATCH 2/2] ext4: kill 2 useless magic numbers

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Date:	Thu, 12 Jun 2008 09:19:33 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	"Theodore Ts'o" <tytso@....edu>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-ext4@...r.kernel.org
Subject: [PATCH 2/2] ext4: kill 2 useless magic numbers

dx_root_limit() will never return 20, and I can't figure out
what 20 stands for. This function has never changed since htree
directory indexing was merged.

Similar for dx_node_limit() and the magic 22.

Signed-off-by: Li Zefan <lizf@...fujitsu.com>
---
 fs/ext4/namei.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 4315fd7..82c9fe5 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -241,13 +241,13 @@ static inline unsigned dx_root_limit (struct inode *dir, unsigned infosize)
 {
 	unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(1) -
 		EXT4_DIR_REC_LEN(2) - infosize;
-	return 0? 20: entry_space / sizeof(struct dx_entry);
+	return entry_space / sizeof(struct dx_entry);
 }
 
 static inline unsigned dx_node_limit (struct inode *dir)
 {
 	unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(0);
-	return 0? 22: entry_space / sizeof(struct dx_entry);
+	return entry_space / sizeof(struct dx_entry);
 }
 
 /*
-- 
1.5.4.rc3

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