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/ext4/mballoc.c b/fs/ext4/mballoc.c
index 1cd6994..8683141 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4705,7 +4705,7 @@
  * ext4_group_add_blocks() -- Add given blocks to an existing group
  * @handle:			handle to this transaction
  * @sb:				super block
- * @block:			start physcial block to add to the block group
+ * @block:			start physical block to add to the block group
  * @count:			number of blocks to free
  *
  * This marks the blocks as free in the bitmap and buddy.