fat: move MAX_FAT to fat.h and change it to inline function

[linux-2.6-microblaze.git] / fs / fat / fat.h

diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 4e1b2f6..979bb11 100644 (file)
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -142,6 +142,15 @@ static inline struct msdos_sb_info *MSDOS_SB(struct super_block *sb)
        return sb->s_fs_info;
 }
 
+/* Maximum number of clusters */
+static inline u32 max_fat(struct super_block *sb)
+{
+       struct msdos_sb_info *sbi = MSDOS_SB(sb);
+
+       return sbi->fat_bits == 32 ? MAX_FAT32 :
+               sbi->fat_bits == 16 ? MAX_FAT16 : MAX_FAT12;
+}
+
 static inline struct msdos_inode_info *MSDOS_I(struct inode *inode)
 {
        return container_of(inode, struct msdos_inode_info, vfs_inode);