[PATCH] fat_clusters_flush() cleanup (4/5)

This patch cleans up fat_clusters_flush().

fs/fat/cache.c

@@ -388,14 +388,11 @@ int fat_free(struct inode *inode,int skip)
 			nr = -EIO;
 			goto error;
 		}
-		if (MSDOS_SB(sb)->free_clusters != -1) {
+		if (MSDOS_SB(sb)->free_clusters != -1)
 			MSDOS_SB(sb)->free_clusters++;
-			if (MSDOS_SB(sb)->fat_bits == 32) {
-				fat_clusters_flush(sb);
-			}
-		}
-		inode->i_blocks -= (1 << MSDOS_SB(sb)->cluster_bits) >> 9 ;
+		inode->i_blocks -= (1 << MSDOS_SB(sb)->cluster_bits) >> 9;
 	}
+	fat_clusters_flush(sb);
 	nr = 0;
 error:
 	unlock_fat(sb);

fs/fat/inode.c

@@ -178,9 +178,7 @@ void fat_put_super(struct super_block *sb)
 		dec_cvf_format_use_count_by_version(sbi->cvf_format->cvf_version);
 		sbi->cvf_format->unmount_cvf(sb);
 	}
-	if (sbi->fat_bits == 32) {
 	fat_clusters_flush(sb);
-	}
 	fat_cache_inval_dev(sb);
 	if (sbi->nls_disk) {
 		unload_nls(sbi->nls_disk);

fs/fat/misc.c

@@ -97,6 +97,11 @@ void fat_clusters_flush(struct super_block *sb)
 	struct buffer_head *bh;
 	struct fat_boot_fsinfo *fsinfo;
 
+	if (MSDOS_SB(sb)->fat_bits != 32)
+		return;
+	if (MSDOS_SB(sb)->free_clusters == -1)
+		return;
+
 	bh = fat_bread(sb, MSDOS_SB(sb)->fsinfo_sector);
 	if (bh == NULL) {
 		printk("FAT bread failed in fat_clusters_flush\n");
@@ -185,7 +190,6 @@ int fat_add_cluster(struct inode *inode)
 	fat_access(sb, nr, FAT_ENT_EOF);
 	if (MSDOS_SB(sb)->free_clusters != -1)
 		MSDOS_SB(sb)->free_clusters--;
-	if (MSDOS_SB(sb)->fat_bits == 32)
 	fat_clusters_flush(sb);
 	
 	unlock_fat(sb);