treewide: fix comment/printk/variable typos

Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index 1c36139..905166a 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -479,7 +479,7 @@
 /**
  * ext2_free_blocks() -- Free given blocks and update quota and i_blocks
  * @inode:		inode
- * @block:		start physcial block to free
+ * @block:		start physical block to free
  * @count:		number of blocks to free
  */
 void ext2_free_blocks (struct inode * inode, unsigned long block,