fs/ext4: fix typo in comment

Correct 'metdata' -> 'metadata' in comment.

Signed-off-by: Haodong Tian <tianhd25@mails.tsinghua.edu.cn>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Message-ID: <20251112155916.3007639-1-tianhd25@mails.tsinghua.edu.cn>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

Author: tth37

fs/ext4/balloc.c

@@ -752,7 +752,7 @@ ext4_fsblk_t ext4_new_meta_blocks(handle_t *handle, struct inode *inode,
 		*count = ar.len;
 	/*
 	 * Account for the allocated meta blocks.  We will never
-	 * fail EDQUOT for metdata, but we do account for it.
+	 * fail EDQUOT for metadata, but we do account for it.
 	 */
 	if (!(*errp) && (flags & EXT4_MB_DELALLOC_RESERVED)) {
 		dquot_alloc_block_nofail(inode,