diff --git a/fs/exfat/file.c b/fs/exfat/file.c
index 9cd34149a188..c5ff2a97a465 100644
--- a/fs/exfat/file.c
+++ b/fs/exfat/file.c
@@ -926,9 +926,32 @@ static int exfat_file_open(struct inode *inode, struct file *filp)
 	return 0;
 }
 
+static loff_t exfat_file_llseek(struct file *file, loff_t offset, int whence)
+{
+	struct inode *inode = file->f_mapping->host;
+
+	switch (whence) {
+	case SEEK_HOLE:
+		inode_lock_shared(inode);
+		offset = iomap_seek_hole(inode, offset, &exfat_iomap_ops);
+		inode_unlock_shared(inode);
+		break;
+	case SEEK_DATA:
+		inode_lock_shared(inode);
+		offset = iomap_seek_data(inode, offset, &exfat_iomap_ops);
+		inode_unlock_shared(inode);
+		break;
+	default:
+		return generic_file_llseek(file, offset, whence);
+	}
+	if (offset < 0)
+		return offset;
+	return vfs_setpos(file, offset, inode->i_sb->s_maxbytes);
+}
+
 const struct file_operations exfat_file_operations = {
 	.open		= exfat_file_open,
-	.llseek		= generic_file_llseek,
+	.llseek		= exfat_file_llseek,
 	.read_iter	= exfat_file_read_iter,
 	.write_iter	= exfat_file_write_iter,
 	.unlocked_ioctl = exfat_ioctl,
diff --git a/fs/exfat/iomap.c b/fs/exfat/iomap.c
index 7ad94d5806d9..3ac1eebe997f 100644
--- a/fs/exfat/iomap.c
+++ b/fs/exfat/iomap.c
@@ -100,12 +100,36 @@ static int __exfat_iomap_begin(struct inode *inode, loff_t offset, loff_t length
 			iomap->flags |= IOMAP_F_ZERO_TAIL;
 		}
 	} else {
+		/*
+		 * valid_size is tracked in byte granularity and
+		 * marks the exact boundary between valid data and
+		 * holes (or unwritten space).
+		 *
+		 * When IOMAP_REPORT is set (used by lseek(SEEK_HOLE)
+		 * and SEEK_DATA), we return IOMAP_HOLE. This allows
+		 * iomap_seek_hole_iter() to directly return the
+		 * precise byte position.
+		 *
+		 * For normal I/O paths (without IOMAP_REPORT) we
+		 * return IOMAP_UNWRITTEN so the write path can
+		 * distinguish it from a real hole.
+		 */
 		if (offset >= ei->valid_size) {
-			iomap->type = IOMAP_UNWRITTEN;
+			iomap->type = flags & IOMAP_REPORT ?
+				IOMAP_HOLE : IOMAP_UNWRITTEN;
 		} else if (offset + iomap->length > ei->valid_size) {
-			iomap->length = round_up(ei->valid_size,
-						 i_blocksize(inode)) -
-							iomap->offset;
+			if (flags & IOMAP_REPORT) {
+				/*
+				 * For SEEK_HOLE/SEEK_DATA, clip the length
+				 * to the exact byte boundary (valid_size).
+				 * This ensures the caller gets the precise
+				 * hole position in byte units.
+				 */
+				iomap->length = ei->valid_size - iomap->offset;
+			} else
+				iomap->length = round_up(ei->valid_size,
+							 i_blocksize(inode)) -
+								iomap->offset;
 		}
 	}