ext3: 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@cn.fujitsu.com>
Acked-by: Andreas Dilger <adilger@sun.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 0b8cf80154f1a5c912a1b2d6cae18ccebea591c1..d282ea870081a959e36812ae0c0fdea86e6733a1 100644 (file)
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -240,13 +240,13 @@ static inline unsigned dx_root_limit (struct inode *dir, unsigned infosize)
 {
        unsigned entry_space = dir->i_sb->s_blocksize - EXT3_DIR_REC_LEN(1) -
                EXT3_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 - EXT3_DIR_REC_LEN(0);
-       return 0? 22: entry_space / sizeof(struct dx_entry);
+       return entry_space / sizeof(struct dx_entry);
 }
 
 /*